Learnt by Level Up

These Pokémon learn Giga Drain at the level specified

Name ⇧⇩	Level ⇧⇩	Type ⇧⇩
Paras	43	bug grass
Parasect	55	bug grass
Sunkern	46	grass
Treecko	46	grass
Beautifly	38	bug flying
Shroomish	45	grass
Roselia	33	grass poison
Turtwig	41	grass
Grotle	47	grass
Torterra	51	grass ground
Leafeon	43	grass
Snivy	34	grass
Servine	40	grass
Serperior	44	grass
Cottonee	26	grass fairy
Petilil	26	grass
Maractus	26	grass
Foongus	28	grass poison
Amoonguss	28	grass poison
Shelmet	37	bug
Accelgor	37	bug
Virizion	37	grass fighting
Morelull	29	grass fairy
Shiinotic	31	grass fairy
Sandygast	36	ghost ground
Palossand	36	ghost ground
Dhelmise	23	ghost grass
Tapu Bulu	14	grass fairy
Celesteela	31	steel flying
Sinistea	36	ghost
Polteageist	36	ghost
Calyrex	16	psychic grass
Bramblin	40	grass ghost
Brambleghast	40	grass ghost
Toedscool	44	ground grass
Toedscruel	48	ground grass
Brute Bonnet	49	grass dark
Wo Chien	45	dark grass
Calyrex Ice	16	psychic ice
Calyrex Shadow	16	psychic ghost
Lilligant Hisui	1	grass fighting

Learnt through Breeding (Egg Moves)

These Pokémon learn Giga Drain through Breeding (Egg Moves) at the level specified

Name ⇧⇩	Level ⇧⇩	Type ⇧⇩
Venonat	0	bug poison
Fomantis	0	grass

Learnt by Technical Machines (TMs)

These Pokémon learn Giga Drain by Technical Machines the level specified

Name ⇧⇩	Level ⇧⇩	Type ⇧⇩
Bulbasaur	0	grass poison
Ivysaur	0	grass poison
Venusaur	0	grass poison
Butterfree	0	bug flying
Beedrill	0	bug poison
Ekans	0	poison
Arbok	0	poison
Zubat	0	poison flying
Golbat	0	poison flying
Oddish	0	grass poison
Gloom	0	grass poison
Vileplume	0	grass poison
Venomoth	0	bug poison
Bellsprout	0	grass poison
Weepinbell	0	grass poison
Victreebel	0	grass poison
Tentacool	0	water poison
Tentacruel	0	water poison
Grimer	0	poison
Muk	0	poison
Gastly	0	ghost poison
Haunter	0	ghost poison
Gengar	0	ghost poison
Exeggcute	0	grass psychic
Exeggutor	0	grass psychic
Tangela	0	grass
Kabuto	0	rock water
Kabutops	0	rock water
Mew	0	psychic
Chikorita	0	grass
Bayleef	0	grass
Meganium	0	grass
Ledyba	0	bug flying
Ledian	0	bug flying
Spinarak	0	bug poison
Ariados	0	bug poison
Crobat	0	poison flying
Natu	0	psychic flying
Xatu	0	psychic flying
Bellossom	0	grass
Hoppip	0	grass flying
Skiploom	0	grass flying
Jumpluff	0	grass flying
Sunflora	0	grass
Yanma	0	bug flying
Pineco	0	bug
Forretress	0	bug steel
Lugia	0	psychic flying
Ho Oh	0	fire flying
Celebi	0	psychic grass
Grovyle	0	grass
Sceptile	0	grass
Dustox	0	bug poison
Lotad	0	water grass
Lombre	0	water grass
Ludicolo	0	water grass
Seedot	0	grass
Nuzleaf	0	grass dark
Shiftry	0	grass dark
Surskit	0	bug water
Masquerain	0	bug flying
Breloom	0	grass fighting
Nincada	0	bug ground
Ninjask	0	bug flying
Shedinja	0	bug ghost
Sableye	0	dark ghost
Volbeat	0	bug
Illumise	0	bug
Gulpin	0	poison
Swalot	0	poison
Trapinch	0	ground
Vibrava	0	ground dragon
Flygon	0	ground dragon
Cacnea	0	grass
Cacturne	0	grass dark
Zangoose	0	normal
Seviper	0	poison
Lileep	0	rock grass
Cradily	0	rock grass
Tropius	0	grass flying
Kricketune	0	bug
Budew	0	grass poison
Roserade	0	grass poison
Wormadam Plant	0	bug grass
Mothim	0	bug flying
Cherubi	0	grass
Cherrim	0	grass
Carnivine	0	grass
Snover	0	grass ice
Abomasnow	0	grass ice
Tangrowth	0	grass
Yanmega	0	bug flying
Uxie	0	psychic
Shaymin Land	0	grass
Arceus	0	normal
Grookey	0	grass
Thwackey	0	grass
Rillaboom	0	grass
Orbeetle	0	bug psychic
Gossifleur	0	grass
Eldegoss	0	grass
Flapple	0	grass dragon
Appletun	0	grass dragon
Hatenna	0	psychic
Hattrem	0	psychic
Hatterene	0	psychic fairy
Cursola	0	ghost
Alcremie	0	fairy
Frosmoth	0	ice bug
Zarude	0	dark grass
Sprigatito	0	grass
Floragato	0	grass
Meowscarada	0	grass dark
Tarountula	0	bug
Spidops	0	bug
Smoliv	0	grass normal
Dolliv	0	grass normal
Arboliva	0	grass normal
Capsakid	0	grass
Scovillain	0	grass fire
Slither Wing	0	bug fighting
Iron Leaves	0	grass psychic
Wormadam Sandy	0	bug ground
Wormadam Trash	0	bug steel
Shaymin Sky	0	grass flying
Corsola Galar	0	ghost
Zarude Dada	0	dark grass
Voltorb Hisui	0	electric grass
Electrode Hisui	0	electric grass
Decidueye Hisui	0	grass fighting