List of generation II Pokémon

The second generation (generation II) of the Pokémon franchise features 100 fictional species of creatures introduced to the core video game series in the 1999 Game Boy Color games Pokémon Gold and Silver, set in the Johto region. Some Pokémon in this generation were introduced in animated adaptations of the franchise before Gold and Silver, such as Ho-Oh in the first episode of the Pokémon anime series in 1998 and 1999, Togepi, which was a recurring character in the anime owned by Misty, Donphan in the Pokémon first movie in 1998, Snubbull in the first Pikachu short movie in 1998, and Marill, which also debuted in that short film and was a recurring character in the anime owned by Tracey Sketchit in 1998 and 1999. Elekid, Bellossom, Ledyba, and Hoothoot debuted in Pikachu's Rescue Adventure, and Lugia and Slowking debuted in Pokémon 2000.

The following list details the 100 Pokémon of generation II in order of their National Pokédex number. The first Pokémon, Chikorita, is number 152 and the last, Celebi, is number 251. Alternate forms that result in type changes are included for convenience. Mega evolutions and regional forms are included on the pages for the generation in which they were introduced.