Guidry is a surname. Notable people with the surname include:
Brian Guidry (born 1968), American painter Carolyn Tyler Guidry (born 1937), American bishop Dick Guidry (1929–2014), American businessman Greg G. Guidry (born 1961), American lawyer and jurist Greg Guidry (1950–2003), American singer James Guidry (born 1967), American football player Javelin Guidry (born 1998), American football player Mark Guidry (born 1959), American jockey Mickey Guidry (born 1966), American football player Paul Guidry (born 1944), American football player Richard Guidry (1949–2008), American academic Robert E. Guidry, American military personnel and businessperson Ron Guidry (born 1950), American baseball player Stephen Guidry (American football) (born 1997), American football player
See also Carlette Guidry-White (born 1968), American sprinter