Onix 56/102 Base Set, the first English Onix card

Onix Pokémon Cards and Prices

#095Fighting

Evolution line: OnixSteelix

31 English Onix cards across 29 sets, from $0.06 to $143 as of Nov 11, 2026, plus 32 Japanese cards. Prices are near-mint values from TCGplayer and Cardmarket.

Most valuable Onix cards

Most Onix cards are in…

Gym Heroes Pokémon TCG set logoGym HeroesAug 14, 2000

2 cards

HS—Unleashed Pokémon TCG set logoHS—UnleashedMay 12, 2010

2 cards

Base Set Pokémon TCG set logoBase SetJan 9, 1999

1 card

Base Set 2 Pokémon TCG set logoBase Set 2Feb 24, 2000

1 card

Neo Genesis Pokémon TCG set logoNeo GenesisDec 16, 2000

1 card

Southern Islands Pokémon TCG set logoSouthern IslandsJul 31, 2001

1 card

Questions about Onix cards

Is Onix card valuable?

2 English Onix cards sell for over $100 and half for under $0.51 near mint.