Ralph Green may refer to:
Ralph Green (footballer) (1911–1991), Australian rules footballer Ralph Green (alpine skier), American Paralympian in 2011 IPC Alpine Skiing World Championships – Downhill Ralph Green (MP), Member of Parliament (MP) for Northamptonshire Ralph Green (rugby), Welsh rugby player
See also Petey Greene (Ralph Waldo Greene Jr., 1931–1984), African-American television and radio talk-show host