List of legendary creatures (X) explained
- Xana (Asturian) – Female water spirit
- Xanthus (Greek) — Man-eating horse
- Xecotcovach (Mayan) – Bird
- Xelhua (Aztec) – Giant
- Xiao (mythology) (Chinese) – Ape or four-winged bird
- Xing Tian (Chinese) – Headless giant
- Xiuhcoatl (Aztec) – Drought spirit
- Xhindi (Albanian) – Elves