Learnt by Level Up

These Pokémon learn Iron Defense at the level specified

Name ⇧⇩	Level ⇧⇩	Type ⇧⇩
Squirtle	34	water
Wartortle	40	water
Blastoise	46	water
Shellder	40	water
Pineco	34	bug
Forretress	38	bug steel
Scizor	41	bug steel
Corsola	29	water rock
Mawile	41	steel fairy
Aron	17	steel rock
Lairon	17	steel rock
Aggron	17	steel rock
Torkoal	33	fire
Clamperl	1	water
Huntail	1	water
Gorebyss	1	water
Metang	44	steel psychic
Metagross	44	steel psychic
Regirock	41	rock
Registeel	41	steel
Shieldon	19	rock steel
Bastiodon	19	rock steel
Bronzor	26	steel psychic
Bronzong	26	steel psychic
Probopass	1	rock steel
Roggenrola	20	rock
Boldore	20	rock
Gigalith	20	rock
Whirlipede	22	bug poison
Escavalier	40	bug steel
Ferroseed	26	grass steel
Ferrothorn	26	grass steel
Golett	17	ground ghost
Golurk	17	ground ghost
Pawniard	46	dark steel
Bisharp	46	dark steel
Durant	56	bug steel
Honedge	32	steel ghost
Doublade	32	steel ghost
Aegislash Shield	1	steel ghost
Avalugg	1	ice
Charjabug	49	bug electric
Crabrawler	42	fighting
Crabominable	42	fighting ice
Mudbray	29	ground
Mudsdale	29	ground
Golisopod	36	bug water
Sandygast	32	ghost ground
Palossand	32	ghost ground
Turtonator	25	fire dragon
Jangmo O	37	dragon
Hakamo O	38	dragon fighting
Kommo O	38	dragon fighting
Celesteela	59	steel flying
Necrozma	59	psychic
Magearna	57	steel fairy
Stakataka	37	rock steel
Corviknight	1	flying steel
Flapple	36	grass dragon
Appletun	36	grass dragon
Perrserker	1	steel
Sirfetchd	0	fighting
Falinks	45	fighting
Cufant	25	steel
Copperajah	25	steel
Duraludon	36	steel dragon
Zamazenta	22	fighting
Glastrier	48	ice
Enamorus Incarnate	25	fairy flying
Nacli	20	rock
Naclstack	20	rock
Klawf	51	rock
Orthworm	38	steel
Kingambit	45	dark steel
Iron Thorns	1	rock electric
Deoxys Defense	35	psychic
Aegislash Blade	1	steel ghost
Blastoise Mega	46	water
Scizor Mega	37	bug steel
Mawile Mega	41	steel fairy
Aggron Mega	15	steel
Metagross Mega	52	steel psychic
Sandshrew Alola	23	ice steel
Kommo O Totem	38	dragon fighting
Magearna Original	57	steel fairy
Necrozma Dusk	59	psychic steel
Necrozma Dawn	59	psychic ghost
Necrozma Ultra	59	psychic dragon
Stunfisk Galar	30	ground steel
Zamazenta Crowned	22	fighting steel
Calyrex Ice	1	psychic ice
Avalugg Hisui	27	ice rock
Enamorus Therian	25	fairy flying

Learnt through Breeding (Egg Moves)

These Pokémon learn Iron Defense through Breeding (Egg Moves) at the level specified

Name ⇧⇩	Level ⇧⇩	Type ⇧⇩
Larvitar	0	rock ground
Riolu	0	fighting
Drilbur	0	ground
Dwebble	0	bug rock
Tirtouga	0	water rock
Vanillite	0	ice
Klefki	0	steel fairy

Learnt by Technical Machines (TMs)

These Pokémon learn Iron Defense by Technical Machines the level specified

Name ⇧⇩	Level ⇧⇩	Type ⇧⇩
Butterfree	0	bug flying
Rhydon	0	ground rock
Sudowoodo	0	rock
Steelix	0	steel ground
Shuckle	0	bug rock
Claydol	0	ground psychic
Relicanth	0	water rock
Bagon	0	dragon
Salamence	0	dragon flying
Drapion	0	poison dark
Rhyperior	0	ground rock
Darmanitan Standard	0	fire
Vivillon	0	bug flying
Meltan	0	steel
Melmetal	0	steel
Dottler	0	bug psychic
Orbeetle	0	bug psychic
Drednaw	0	water rock
Rolycoly	0	rock
Carkol	0	rock fire
Coalossal	0	rock fire
Sandaconda	0	ground
Obstagoon	0	dark normal
Cursola	0	ghost
Mr Rime	0	ice psychic
Runerigus	0	ground ghost
Stonjourner	0	rock
Eiscue Ice	0	ice
Arctovish	0	water ice
Zacian	0	fairy
Urshifu Single Strike	0	fighting dark
Garganacl	0	rock
Armarouge	0	fire psychic
Ceruledge	0	fire ghost
Rellor	0	bug
Rabsca	0	bug psychic
Varoom	0	steel poison
Revavroom	0	steel poison
Glimmet	0	rock poison
Glimmora	0	rock poison
Sandy Shocks	0	electric ground
Iron Treads	0	ground steel
Iron Hands	0	fighting electric
Iron Leaves	0	grass psychic
Darmanitan Zen	0	fire psychic
Meowth Galar	0	steel
Slowbro Galar	0	poison psychic
Mr Mime Galar	0	ice psychic
Slowking Galar	0	poison psychic
Corsola Galar	0	ghost
Darmanitan Galar Standard	0	ice
Darmanitan Galar Zen	0	ice fire
Yamask Galar	0	ground ghost
Eiscue Noice	0	ice
Zacian Crowned	0	fairy steel
Urshifu Rapid Strike	0	fighting water
Dialga Origin	0	steel dragon