138

138 may refer to:

Regional Pokédex number

• #138 Omanyte, in the National and Kanto Pokédex
• #138 Psyduck, in the New Pokédex
• #138 Jigglypuff, in the Hoenn Pokédex in Generation III
• #138 Feebas, in the Sinnoh Pokédex
• #138 Meowth, in the Johto Pokédex
• #138 Durant, in the Unova Pokédex
• #138 Gothitelle, in the New Unova Pokédex
• #138 Munchlax, in the Central Kalos Pokédex
• #138 Chatot, in the Coastal Kalos Pokédex
• #138 Ditto, in the Mountain Kalos Pokédex
• #138 Lileep, in the Hoenn Pokédex in Generation VI
• #138 Miltank, in the Alola Pokédex in Sun and Moon
• #138 Shellder, in the Alola Pokédex in Ultra Sun and Ultra Moon
• #138 Machop, in the Galar Pokédex

Browser number

• R-138 Slugma, in the Fiore Browser
• R-138 Charmeleon, in the Almia Browser
• R-138 Bibarel, in the Oblivia Browser

Anime

• The Superhero Secret, episode 138 of the original series
• Rough, Tough Jigglypuff, episode 138 of the Advanced Generation series
• Strategy Begins at Home!, episode 138 of the Diamond & Pearl series
• Go, Go Gogoat!, episode 138 of the Best Wishes series
• The First Day of the Rest of Your Life!, episode 138 of the XY series
• Final Rivals!, episode 138 of the Sun & Moon series

Manga

• Really Raikou & Entirely Entei (Part 2), round 138 in the Gold, Silver & Crystal arc of Pokémon Adventures