266

266 may refer to:

Pokédex number

• #266 Silcoon, in the National Pokédex
• #266 Dewgong, in the New Unova Pokédex
• #266 Wailmer, in the Alola Pokédex in Sun and Moon
• #266 Minccino, in the Alola Pokédex in Ultra Sun and Ultra Moon
• #266 Rhyperior, in the Galar Pokédex
• #266 Hippowdon, in the Paldea Pokédex

Browser number

• R-266 Registeel, in the Almia Browser
• R-266 Houndour, in the Oblivia Browser

Anime

• A Claim to Flame!, episode 266 of the original series

Manga

• The Final Battle VII, chapter 266 in the Ruby & Sapphire arc of Pokémon Adventures