Robert Ayres

Robert Ayres may refer to:


 * Robert M. Ayres (1898–1977), American architect
 * Robert Ayres (actor) (1914–1968), American actor
 * Robert Ayres (scientist) (1932–2023), American-born scientist
 * Bob Ayres (rugby league) (1914–1993), British rugby league player
 * Bob Ayres (born 1953), American businessman