Cluck may refer to:
Clucking, reproduction-related vocal behavior of female chicken Cluck, domestic hen perceived as unproductive of eggs due to brooding phase of avian incubation behavior Cluck (Hunter × Hunter), a fictional character in the manga series Hunter × Hunter
People Bob Cluck (born 1946), American baseball player and coach Diane Cluck, American singer-songwriter Robert Cluck (1939–2026), American gynecologist and politician