Eira Lydiard was a Finnish gymnast. Eira Lehtonen finished the Rome 1960 Summer Olympics gymnastics team event in 13th and the 8-game for 82nd place. The Tokyo 1964 Summer Olympics 8-game, she finished 66th. She took part in the World Championships in 1958, 1962 and 1966 and European championships between 1963 and 1965.