Robert Lyle may refer to:
Robert Lyle (Minnesota politician) (1808–1896), American politician Robert Lyle (rugby union) (1884–1968), Irish international rugby union player Robert Lyle, 1st Lord Lyle (died 1470) Robert Lyle, 2nd Lord Lyle (died 1497) Bobby Lyle (born 1944), American jazz musician Robert Lyle of the Lyle baronets
See also Robert Lyles (born 1961), American football player