A kneecap is a leg bone.
Kneecap may also refer to:
Kneecap (band), Irish band Kneecap (film), an Irish-language film about Belfast-based hip-hop trio Kneecap NECAP, or the New England Common Assessment Program, pronounced "knee cap" Kneecapping, a form of malicious wounding in which the victim is injured in the knee (but rarely injuring the kneecap)