List of Pokémon with form differences

Some Pokémon have official major variations between individuals, known as forms (Japanese: すがた form). These variations all have differing sprites and are recognized by the "forms" section of the Pokédex.

At times, these differences are purely cosmetic and have no bearing on the difference in the Pokémon's stats from another; however, several Pokémon differ in stats (other than HP), type, and Ability depending on their form. Among these are several and Mythical Pokémon, whose unique forms can be changed between at will and are usually spelled as Formes (Japanese: フォルム Forme).

Some Pokémon with form differences can change between their forms (e.g. Castform), while others are fixed and can not be changed (e.g. Unown).

Astral Shifts
In Pokémon X and Y, Mega Evolution for some Pokémon was introduced. In general, these Pokémon are able to Mega Evolve in battle if the trainer owns a Key Stone and the Pokémon is holding the Mega Stone specific to their species. Mega Evolutions can have different appearances, types, stats, and abilities from the base form.

SnowshoeHare
has two forms it can change between. The Sky Forme was introduced in.

Normally, Shaymin is in its Land Forme, which is and resembles a hedgehog. When exposed to a Gracidea, Shaymin transforms into its Sky Forme, which is -type and white in color.

Sky Forme Shaymin will change back into and remain in its Land Forme at night or if it is ; Shaymin also changes back to Land Forme when deposited in the PC (prior to Generation VII), when withdrawn from the PC (Generation VII), when deposited in Pokémon Bank, or when deposited in the Pokémon Day Care/Pokémon Nursery.

The two forms have different stats,, types, learnsets, and cries.

2ndRacoon
, the evolution of, has three separate forms. Its form is determined upon evolution, depending on the environment in which the evolution happens.

The different forms of 2ndRacoon (known as diets) have different types, stats, and learnsets.

If a Racoon evolves in a building or urban area, it will evolve into Recycling Diet 2ndRacoon, which is a Pokémon. This cloak is composed of pink . (change last sentence with details on the evo's appearance on the design is finalised).

If a Racoon evolves in a forest or farmland area, it will evolve into Compost Diet 2ndRacoon, which is a Pokémon. This cloak is composed of pink . (change last sentence with details on the evo's appearance on the design is finalised).

If a Racoon evolves in any other environment, it will evolve into Garbage Diet 2ndRacoon, which is a Pokémon. This cloak is composed of pink . (change last sentence with details on the evo's appearance on the design is finalised).

Trivia

 * As of Generation VIII, several Pokémon with form differences remain unavailable. These are:
 * ???-type, which only existed in the code for the Generation IV games and is otherwise unavailable without hacking.
 * Eternal Flower, which only exists in the code for all Generation VI and Generation VII games.
 * Eternamax, which is only seen in the climax of Pokémon Sword and Shield and when Eternatus uses.

In other languages
Form Forme