Delp is a surname. Notable people with the surname include:
Alfred Delp (1907–1945), German Jesuit priest and philosopher Brad Delp (1951–2007), American singer and songwriter Bud Delp (1932–2006), American racehorse trainer Dan Delp (born 1964), American politician Michael Delp, American writer Oscar Delp (born 2003), American football player Scott L. Delp, American professor