According to the search results, Pokemon Scarlet and Violet have a total of six legendary Pokemon. The legendaries are:

• Koraidon: A Fighting/Dragon type Pokemon that is exclusive to Pokemon Scarlet and is on the games box art. It accompanies the player on their journey in Pokemon Scarlet and serves as a mount.

• Miraidon: An Electric/Dragon type Pokemon that is exclusive to Pokemon Violet and is on the games box art. It accompanies the player on their journey in Pokemon Violet and serves as a mount.

• Chien-Pao: A Psychic/Fighting type Pokemon that is part of the Ruinous Quartet. It is found in all versions of the game.

• Ting-Lu: A Ghost/Fighting type Pokemon that is part of the Ruinous Quartet. It is found in all versions of the game.

• Wo-Chien: A Dark/Grass type Pokemon that is part of the Ruinous Quartet. It is found in all versions of the game.

• Chi-Yu: A Poison/Fighting type Pokemon that is part of the Ruinous Quartet. It is found in all versions of the game.

It is worth noting that there are also transfer-only legendary Pokemon in Pokemon Scarlet and Violet, including Articuno, Zapdos, Moltres, Mewtwo, Mew, Kyogre, Groudon, and Rayquaza. However, these Pokemon are not native to the game and can only be obtained through transfer.