Robert Leavitt (disambiguation)

Robert Leavitt may refer to:


 * Robert Leavitt (1883-1954), American athlete; winner of 110 m hurdles at the 1906 Summer Olympics
 * Robert Greenleaf Leavitt (1865–1942), American botanist
 * Robert Keith Leavitt (1895–1967), American Sherlock Holmes scholar; son of Robert Greenleaf Leavitt