- Qalupalik ( Inuit mythology) – Aquatic human abductor
- Qilin ( Chinese) – Dragon-ox-deer hybrid
- Qiqirn ( Inuit) – Large, bald dog spirit
- Qlippoth ( Jewish) – Evil spirits
- Questing Beast ( Arthurian legend) – Serpent-leopard-lion-hart hybrid
- Quetzalcoatl ( Aztec) – Important Aztec god whose name means "feathered serpent"; he is not to be confused with the quetzal, a type of bird
- Quinotaur ( Frankish) – Five-horned bull