Senarath is both a given name and a surname. Notable people with the name include:
Senarath Attanayake (1966–2017), Sri Lankan politician Senarath Paranavitana (1896–1972), Sri Lankan archeologist Prasanna Shamal Senarath, Sri Lankan politician Seelaratna Senarath (born 1944), Sri Lankan radio personality Sureni Senarath (1959–2021), Sri Lankan actress Sugathapala Senarath Yapa (born 1935), Sri Lankan film director Sujeewa Senarath Yapa, Sri Lanka Army general