Kester is both a surname and a given name. Notable people with the name include:
Surname:
Howard Kester (20th century), American preacher, organizer, and activist
Kenneth Kester (born 1936), American politician
Paul Kester (c. 1870 – 1933), American playwright
Randall B. Kester (born 1916), American attorney and former judge
Vaughan Kester (1869–1911), American novelist and journalist
Given name:
Kester Berwick (1903–1992), Australian actor and writer
King Kester Emeneya (born 1956), Congolese musician
Kester Omorogbe (born 1958) Nigeria An Edo prince