Robert Sweeney or Sweeny may refer to:

Robert Augustus Sweeney (1853–1890), American, two-time recipient of the Medal of Honor Robert E. Sweeney (1924–2007), American politician Robert K. Sweeney (born 1949), American politician Robert Sweeny Jr. (1911–1983), American amateur golfer and socialite

See also Bob Sweeney (disambiguation)