Kogia is a genus of toothed whales within the superfamily Physeteroidea comprising two extant and two extinct species from the Neogene:
- Pygmy sperm whale, Kogia breviceps
- Dwarf sperm whale, Kogia sima
- †Kogia pusilla, Italy, Middle Pliocene
- †Kogia danomurai Pisco Formation, Peru, latest Miocene