Hypnos is the personification of sleep in Greek mythology.

Hypnos may also refer to:

Hypnos (fish), a genus of electric rays in the family Torpedinidae "Hypnos" (short story), a short story by H. P. Lovecraft Hypno, a Pokémon Hypnos T-type Tyrant, an enemy in the video game Resident Evil Survivor 14827 Hypnos, an asteroid Citroën Hypnos, a concept car Hypnos (band), a Czech death metal band Hypnos (album), 2022 album by Ravyn Lenae