The following list of Legionnaires and their various romantic interests was compiled by Myriad with input from various other Legion Worlders. All interpretations as to the nature of relationships are ultimately hers.

All characters are listed chronologically based on their induction into the Legion.

COSMIC BOY (Rokk Krinn), COS, POLESTAR, FOUNDER LEGION
Triplicate Girl (Luornu Durgo) Adventure-era 'seduction' during the Girls' Revolt story; object of postboot Lu's admiration
Sinde, preboot brief fling; postboot rumors of relationship before joining Legion
Chameleon Boy (Reep Daggle) Adventure-era case in which they posed as a couple
Night Girl (Lydda Jath) Adventure-era admirer; preboot couple beginning with Action run; wife in v4 (son Pol Jath Krinn); postboot admirer; wife in the Adult Legion stories
Saturn Girl (Imra Ardeen) SW6 versions mutually attracted; postboot versions mutually attracted, apparent relationship during 'Team 20' arc; Superboy's Legion versions dated; Arthurian Elseworlds versions married
XS (Jenni Ognats) postboot admirer
Argent (Toni Monetti) postboot flirtation during the "Universe Ablaze" crossover
Kid Quantum II (Jazmin Cullen) postboot relationship beginning during DnA's run

LIGHTNING BOY, LIGHTNING LAD (Garth Ranzz AND Proty II), LIVE WIRE, ELEMENT LAD II (Jarth)
Saturn Girl (Imra Ardeen) Adventure-era couple, married beginning in v2 (twin sons Graym & Garridan, twin daughters Dacey & Dorrit); SW6 relationship; postboot relationship, postboot engagement beginning with DnA; wife in Adult Legion stories; Arthurian Elseworlds versions married
Cera Kesh (later Emerald Empress) SW6 Garth hit on her
Jancel Ardeen, postboot admirer

SATURN GIRL (Imra Ardeen), FAIR LEGION
Lightning Lad/Live Wire (Garth Ranzz) Adventure-era couple, married beginning in v2 (twin sons Graym & Garridan, twin daughters Dacey & Dorrit); SW6 relationship; postboot relationship, postboot engagement beginning with DnA; husband in Adult Legion stories; Arthurian Elseworlds versions married
Superboy (Clark Kent/Kal-el) Adventure-era 'seduction' during the Girls' Revolt story; Supergirl tried to matchmake them during early 'Adult Legion' story
Apollo (Tal Obrin) Adv. #350 flirtation due to mental domination
Timber Wolf (Brin Londo) preboot they shared an 'intimate moment' on an asteroid
Proty, v4 retcon into the role of her husband
Cosmic Boy (Rokk Krinn) SW6 versions were mutually attracted; postboot versions were mutually attracted, apparent relationship during 'Team 20' arc; Superboy's Legion versions dated; Arthurian Elseworlds versions married
Ultra Boy (Jo Nah) postboot, posed as his missing wife during Legion Lost and shared a kiss

PHANTOM GIRL (Tinya Wazzo), APPARITION, PHASE
Star Boy (Thom Kallor) Adventure-era 'seduction' during the Girls' Revolt story; v4 rumors of a past fling
Ultra Boy (Jo Nah) Adventure-era couple, engaged during 5YG; SW6 versions dated; postboot dated and married (son Cub); husband in Adult Legion stories (son Ronn, daughter Arna); Superboy's Legion versions dated
Timber Wolf (Brin Londo) postboot admirer beginning in DnA era

TRIPLICATE GIRL (Luornu Durgo), DUO DAMSEL, MONO MAID, TRIAD
Cosmic Boy (Rokk Krinn) Adventure-era 'seduction' during Girls' Revolt story; postboot object of her admiration
Invisible Kid (Lyle Norg) Adventure-era 'seduction' during Girls' Revolt story
Brainiac 5 (Querl Dox) Adventure-era 'seduction' during Girls' Revolt story
Superboy (Clark Kent/Kal-el) Adventure-era object of her admiration
Bouncing Boy (Chuck Taine) Adventure-era couple, married beginning in v2; postboot they've dated; husband in Adult Legion stories (unnamed son)
Nam'Lor , Action-era brief 'hyper-aura' induced fling as "Lelith"
Valor/M'Onel (Lar Gand), v4 retcon (Superboy to Lar) object of her admiration; SW6 object of her admiration; postboot object of her admiration
Colossal Boy (Gim Allon) v4 affair
Superboy II (Kon-el/Conner Kent) postboot flirtation
Ultra Boy (Jo Nah) postboot "Swan's Way" reality flirtation
Element Lad (Jan Arrah) postboot date with Triad Orange
Arsenal (Roy Harper) postboot flirtation during the "Universe Ablaze" crossover with Triad Purple

CHAMELEON BOY (Reep Daggle), CHAM, CHAMELEON, ORANGE LEGION
Supergirl (Kara Zor-el/Linda Danvers) Adventure-era seduction during the Girls' Revolt story
Cosmic Boy (Rokk Krinn) Adventure-era case in which they posed as a couple
Princess Elwinda, Adventure-era engagement
Janice Warren, Action-era couple
Amb. Aplynn Jeryl, v2 flirtation
Laurel Gand, retconned Adventure-era seduction during the Girls' revolt story
Spark (Ayla Ranzz) postboot flirtation
Sensor (Jeka Wynzorr) postboot flirtation

COLOSSAL BOY (Gim Allon), LEVIATHAN, MICRO LAD
Shrinking Violet (Salu Digby) preboot admirer beginning in at least the Bates/Shooter era; postboot admirer/object of his admiration
Gigi Cusimano, v3 retcon as pre-Adventure-era girlfriend
Yera, married beginning in second Levitz-era
Triplicate Girl/Duo Damsel/Mono Maid (Luornu Durgo) v4 affair
Gossamer (Ayla Ranzz) SW6 version set Gim straight when he misinterpreted her intentions/affections
Kinetix (Zoe Saugin) postboot, object of his admiration

INVISIBLE KID (Lyle Norg)
Triplicate Girl (Luornu Durgo) Adventure-era 'seduction' during the Girls' Revolt story
Markita, preboot date who schemed to marry him
Myla, preboot ghostly love interest with whom he may have spent all eternity
Condo Arlik, postboot love interest, sender of "C" note
Brainiac 5 (Querl Dox) postboot, possible admirer

KID QUANTUM (James Cullen, Soul of Antares)
Computo II (Danielle Foccart) SW6-era flirtation

BRAINIAC 5 (Querl Dox), BRAINY, B-5, BRAINIAC 5.1, GREEN LEGION, SMART LEGION
Supergirl (Kara Zor-el/Linda Lee Danvers) Adventure-era object of his affection
Shadow Lass (Tasmia Mallor) Adventure-era admirer
Dr. Chaseer, v3 flirtation with benefits
Laurel Gand/Andromeda, v4 retconned to be the Adventure-era object of his affection; SW6 versions dated; postboot admirer
Celeste McCauley Rockfish, v4 flirtation
Invisible Kid (Lyle Norg) postboot, possible object of his affection

(Laurel Gand, a.k.a. Leala Linder), SATAN GIRL*, UNKNOWN BOY*, TIGER ROSE, ANDROMEDA, SISTER ANDROMEDA
Brainiac 5 (Querl Dox) Adventure-era Supergirl admirer; v4 retconned to be a Laurel Gand admirer; SW6 versions dated; postboot Andromeda admirer
Chameleon Boy (Reep Daggle) retconned Adventure-era seduction during the Girls' revolt story
Rond Vidar, common-law husband of Laurel Gand during 5YG (daughter Lauren)

ULTRA BOY (Jo Nah), REFLECTO II, EMERALD DRAGON, BOLD LEGION
An Ryd, pre-Adventure-era girlfriend
Phantom Girl/Apparition (Tinya Wazzo) Adventure-era couple, engaged during 5YG; SW6 versions dated; wife in Adult Legion stories (son Ronn, daughter Arna); Superboy's Legion versions dated; postboot dated & married (son Cub)
Spider Girl (Sussa Paka) v4 rebound woman while Jo mourned Tinya; postboot versions dated
Ginny, v4 rebound girlfriend
Saturn Girl (Imra Ardeen) postboot, posed as his missing wife during Legion Lost and shared a kiss
Princess Projectra, married in the Elseworlds story, Another Nail

STAR BOY (Thom Kallor), SIR PRIZE
Xynthia, Adventure-era girlfriend
Phantom Girl (Tinya Wazzo) Adventure-era 'seduction' during the Girls' Revolt story; v4 rumors of a past fling
Dream Girl/Miss Terious/Dreamer (Nura Nal/Nura Schnappin Nal) Adventure-era couple up through mid v3; postboot couple; wife in Adult Legion stories
Yvyya Val, wife in v4

SHRINKING VIOLET (Salu Digby), VI, VIRUS, EMERALD VEYE, LEVIATHAN II, VIOLET, ATOM GIRL
Duplicate Boy (Ord Quelu/Quelu Ord) Adventure-era couple; husband in Adult Legion stories (unnamed son & daughter)
Matter-Eater Lad (Tenzil Kem) Action-era date; SW6-era admirer
Sun Boy (Dirk Morgna) - v3 flirtation
Lightning Lass (Ayla Ranzz) v4 couple
Devlin O'Ryan, SW6-era flirtation/date
Leviathan (Gim Allon) postboot object of her admiration
Chuck Taine, postboot - dated once (as "friends")
Ferro (Andrew Nolan) postboot admirer

SUN BOY (Dirk Morgna), INFERNO, WILDFIRE II, NRG, PY'RE
Shrinking Violet (Salu Digby) v3 flirtation
Laurel Kent, dated in v3
Gigi Cusimano, dated in v3
Circe, dated in v4
Catspaw (April Dumaka) SW6-era flirtation
"pink-skinned girl", SW6-era flirtation/stalker
Keiki, SW6-era flirtation
X-Bomb Betty, SW6-era flirtation

BOUNCING BOY (Chuck Taine)
Iresa, Adventure-era girlfriend
Triplicate Girl-Duo Damsel-Mono Maid/Triad (Luornu Durgo) Adventure-era couple, married beginning in v2; postboot they've dated; wife in Adult Legion stories (unnamed son)
Violet (Salu Digby) postboot - dated once (as "friends")

MATTER-EATER LAD (Tenzil Kem)
Shrinking Violet (Salu Digby) Action-era date; SW6-era object of his admiration
Eyeful Ethel (Ethel Lyn Niwtyn) preboot date as the result of being the "prize" on a dating gameshow
"Madame Prosecutor", v4 flirtation
Saturn Queen (Eve Aries) married in v4

MON-EL (Lar Gand), LEGIONNAIRE LEMON, MARVEL LAD, VALOR (" AND Eltro Gand), CHAMPION, M'ONEL, WANDERER, VALOROUS LEGION
Shadow Lass (Tasmia Mallor) Adventure-era couple, married late in v3-v4; postboot flirtation
Triplicate Girl/Triad (Luornu Durgo) v4 retconned (Superboy to Lar) admirer; SW6 admirer; postboot admirer
Glorith, v4 admirer/stalker

MYSTERY LAD, ELEMENT LAD (Jan Arrah), ALCHEMIST, PROGENITOR
Lightning Lass (Ayla Ranzz) Adventure-era 'seduction' during the Girls' Revolt story
Marya, Adventure-era flirtation/date
Shvaughn Erin, v3 couple into v4, where she is retconned as Sean Erin
Triad Orange (Luornu Durgo) postboot date
Monstress (Candi "Princess" Pyponte-LeParc III) postboot flirtation/friendship

LIGHTNING LAD II, LIGHTNING LASS (Ayla Ranzz), LIGHT LASS, PULSE, GOSSAMER, SPARK, LIVE WIRE II
Element Lad (Jan Arrah) Adventure-era seduction during the Girls' revolt story
Lone Wolf/Timber Wolf (Brin Londo) Adventure-era couple up through v2; husband in Adult Legion stories (twin sons Brin & Bran, daughter Loni)
Magnetic Kid (Pol Krinn) v3 flirtation
Shrinking Violet or Vi (Salu Digby) v4 relationship
Mordecai, SW6-era admirer
Leviathan (Gim Allon) SW6-era version was set straight when he misunderstood her intentions/affections
Chameleon (Reep Daggle) postboot flirtation

DREAM GIRL (Nura Nal), DREAMY, MISS TERIOUS, DREAMER (Nura Schnappin Nal)
Star Boy/Sir Prize (Thom Kallor) Adventure-era couple up through mid v3; husband in Adult Legion stories
Kenz Nuhor, Adventure-era ex-boyfriend/stalker
Atmos (Marak Russen) v3 affair, possibly due to mental domination
unnamed flirtations, numerous affairs and indiscretions seen or alluded to v3-v4

FERRO LAD (Andrew Nolan), FERRO, IRON LEGION
Inferno (Sandy Anderson) postboot object of his admiration
Violet (Salu Digby) postboot object of his admiration
Dr. Mollie D'Ennum, postboot object of his admiration/flirtation

KARATE KID (Val Armorr)
Noriko Kashu, pre-v2 girlfriend
Princess Projectra/Queen Projectra, v2 girlfriend, married in v3
Iris Jacobs, preboot admirer in the 20th c.
Lialla, postboot flirtation

PRINCESS PROJECTRA ("Jeckie"), QUEEN PROJECTRA, SENSOR GIRL, SENSOR (Jeka Wynzorr), COILED LEGION
Karate Kid (Val Armorr) v2 couple, married in v3
Chameleon (Reep Daggle) postboot flirtation
Ultra Boy (Jo Nah) married in the Elseworlds story, Another Nail

SHADOW LASS (Tasmia Mallor), SHADY, SHADOW WOMAN, UMBRA, DARK LEGION
Brainiac 5 (Querl Dox) Adventure-era object of her admiration
Mon-el/Valor-M'Onel (Lar Gand) Adventure-era couple, married late in v3-v4; postboot flirtation
Eltro Gand, v4 retcon into the role of her husband

CHEMICAL KING (Condo Arlik)
Invisible Kid (Lyle Norg), postboot love interest, sender of "C" note

LONE WOLF, TIMBER WOLF (Brin Londo), T-WOLF, FURBALL
Lightning Lass/Light Lass (Ayla Ranzz) Adventure-era couple up through v2; wife in Adult Legion stories (twin sons Brin & Bran, daughter Loni)
Saturn Girl (Imra Ardeen) preboot they shared an 'intimate moment' on an asteroid
Marella Tao, dated in v3
Gemini (Aria Campbell) v4 flirtation
Jewel (Mysa Nal) late v4 flirtation
Apparition (Tinya Wazzo) postboot object of his admiration beginning in DnA era

ERG-1, WILDFIRE (Drake Burroughs), ATOM'X (Randall Burroughs), BLAST-OFF (Jahr Drake Ningle), FIRE LEGION
Kerri Wong, pre-v2 girlfriend
Dawnstar, v2 (?) flirtation/intimate friendship up through v3
Lamprey (Tayla Skot) v3 admirer
Nightwind (Berta Skye Haris) v3 admirer
Shikari Lonestar, postboot DnA-era flirtation/intimate friendship

TYROC (Troy Stewart), SCREAM OF THE DEVIL
Computo II (Danielle Foccart) SW6-era admirer

DAWNSTAR, DAWNY, BOUNTY
Wildfire v2 (?) flirtation/intimate friendship up through v3
Jhodan, v3 flirtation w/ benefits

BLOK
White Witch (Mysa Nal) v3 flirtation/intimate friendship

INVISIBLE KID II (Jacques Foccart), EVANESCE
Infectious Lass (Drura Sehpt) v4 wife

HAG, XOLA AQ, WHITE WITCH (Mysa Nal of Naltor), JEWEL, LADY MYSA
Blok, v3 flirtation/intimate friendship
Mordru, 5YG husband
Timber Wolf (Brin Londo) late v4 flirtation
Dragonmage (Xao Jin) postboot flirtation

MAGNETIC KID (Pol Krinn)
Polla, Adventure-era girlfriend
Lightning Lass (Ayla Ranzz) v3 flirtation

POLAR BOY (Brek Bannin)
Styx, v4 relationship
Stiletta, v4 relationship

QUISLET

TELLUS (Ganglios)

IMPULSE (Kent Shakespeare)

KONO (Brita An'nan)

(Celese McCauley Rockfish), NEON
Brainiac 5 (Querl Dox) v4 flirtation

(Devlin O'Ryan), REFLEX
Veilmist, v4 admirer
Shrinking Violet (Salu Digby) SW6-era object of his admiration

SPIDER GIRL (Sussa Paka), WAVE
Ultra Boy (Jo Nah) v4 rebound relationship (while he mourned Tinya); postboot versions dated
Radion, postboot couple

CATSPAW (April Dumaka)
Ansis, SW6-era flirtation (revealed to be a proty)
Inferno (Dirk Morgna) SW6-era flirtation

COMPUTO II (Danielle Foccart)
Crystal Kid (Bobb Kohan) SW6-era admirer
Tyroc (Troy Stewart) SW6-era object of her admiration
Kid Quantum (James Cullen/Soul of Antares) SW6-era flirtation

DRAGONMAGE (Xao Jin)
Lady Mysa, postboot flirtation

XS (Jenni Ognats)
Cosmic Boy (Rokk Krinn) postboot object of her admiration
M'Onel (Lar Gand) postboot object of her admiration
Magno (Dyrk Magz) postboot object of her admiration

GATES (Ti'julk Mr'asz)

KINETIX (Zoe Saugin)
Leviathan (Gim Allon) postboot admirer

MAGNO (Dyrk Magz)
XS (Jenni Ognats) postboot admirer

MONSTRESS (Candi "Princess" Pyponte-LeParc III), LARGE LEGION
Element Lad (Jan Arrah) postboot flirtation/intimate friendship

KID QUANTUM II (Jazmin Cullen), BROWN LEGION
Cosmic Boy (Rokk Krinn) postboot couple

THUNDER (Cecebeck "Beck")

GEAR (I.Z.O.R.)

SHIKARI (Shikari "Kari" Lonestar)
Wildfire postboot DnA-era flirtation/intimate friendship