Alley is a surname. Notable people with the surname include:
Allen Alley (born 1954), American businessman and politicianCandice Alley (born 1982), Australian singer-songwriterCarroll Alley, American physicistDon Alley (born 1945), American football playerElizabeth Alley (1955–2013), American actressGene Alley (born 1940), American baseball playerHenry Alley (born 1945), American writerKim Alley, American modeling agentKirstie Alley (born 1951), American actress and comedianLindsey Alley (born 1977), American actress and singerLouise Alley (1927-2015), American radio personality and advertising executiveRichard Alley (born 1957), American geologistRick Alley, American poetSteve Alley (born 1953), American ice hockey playerT. W. Alley (born c. 1942), American football player and coachZeb Alley (1928–2013), American lawyer, lobbyist, and politician