Loach (disambiguation)
Loach may refer to:
- Fishes of the superfamily Cobitoidea, bottom-dwelling freshwater fishes with several barbels near the mouth, found in Eurasia and northwestern Africa, related to minnows 
- Algae eaters, fishes of the family Gyrinocheilidae, are sometimes referred to as sucking loaches
 
 - Ken Loach (born 1936), English film director
 - Mikaela Loach, British climate justice activist
 - Scott Loach (born 1988), English footballer
 - Light Observation Helicopter (LOH, pronounced as loach) U.S. Army helicopter program
 - "Loach", colloquial name of the Hughes OH-6 Cayuse military helicopter