As of June 11, 2019, there are a total of 12 new Pokémon revealed for Pokémon Sword & Shield. The first three revealed, shown above, are the starter Pokémon for the Galar region and they are Grookey (left), Scorbunny (center), and Sobble (right).
You can find all of the revealed Pokémon down below. Click their image to visit a page containing more information and screenshots about the specific Pokémon.
Here is a look at the two legendary Pokémon of the Galar region, featured on the box art for the games.