Dendy is a surname, and may refer to:
Arthur Dendy (1865–1925), English zoologist Edward Stephen Dendy (1812–1864), English officer of arms Edward Dendy (regicide), 17th century English regicide Henry Dendy (1800–1881), founder of Brighton, Melbourne, Australia LaRon Dendy (born 1988), American basketball player Marquis Dendy (born 1992), American track and field athlete Mary Dendy (1855–1933), promoter of residential schools for mentally handicapped people Norris Dendy, victim of the 1933 lynching of Norris Dendy Patrick Dendy (born 1982), American football player Terri Dendy (born 1965), American track and field athlete Walter Cooper Dendy (1794–1871), English surgeon and writer