Algy is a masculine given name. Notable people with the name include:
Algy Clark (born 1903), American football playerAlgy Gehrs (1880-1953), Australian cricketerAlgy Paterson (died 1995), last fluent speaker of the Martuthunira languageAlgy Ward (21st century), English rock and roll bass guitarist and singerAlgernon "Spotty" Perkins, fictional friend of Walter the Softy from Dennis the Menace and GnasherAlgernon "Algy" Lacey, fictional character in the Biggles books, friend and cousin of Biggles