Crimson may refer to:
- Crimsonbat, an RLSH in Penang, Malaysia
- Crimson Canuck, a retired RLSH in Canada
- Crimson Catalyst, a retired RLSH in Chicago, Illinois.
- Crimson Crow, a member of the XJL in San Diego, CA.
- Crimson Crusader, an inactive RLSH in Milwaukee, Wisconsin.
- Crimson Fist, an RLSH in Oakland, California.