Fisher Snub CubeA 3x3x3 in shape of the namegiving solid. The "fisher"ed variant.
Fisher's Cylinder CubeThis is an interesting subset of a Rubik's Cube, as almost every piece is duplicated four times.
FisherrockA 3x3x3 transformed into a square antiprism with one side kept unchanged.
Flag Cube IIIThis cube features the national flags of six different countries. One Sticker shows one flag, so every face shows the same flag nine times.
Flash 3x3x3A 3x3x3 painted after the superhero character.
Flattened JewelA 3x3x3 truncated on five corners but still with a high degree of symmetry. One of the rare shapes with eleven sides.