Robert Griffin may refer to:
- Robert Griffin (actor) (1902–1960), American film and television actor
- Robert Griffin (baseball) (fl. 1931), American baseball player
- Robert Griffin (offensive lineman) (born 1989), American football offensive lineman
- Robert Griffin III (born 1990), American football quarterback
- Robert F. Griffin (1925–1999), American Roman Catholic priest
- Robert G. Griffin (born 1942), professor of chemistry
- Robert P. Griffin (1923–2015), United States senator
<!--*Robert M. Griffin ( ? - ? ), United States Navy admiral in World War II --><!-- needs blue link -->
See also
- Rob Griffin (disambiguation)
- Bob Griffin (disambiguation)
