Robert Winthrop Kean (September 28, 1893; Elberon, New Jersey - September 21, 1980; Livingston, New Jersey) was a Republican politician who represented New Jersey in the U.S. House of Representatives for twenty years.
Kean was the great-great-grandson of John Kean, a delegate to the Continental Congress, a nephew of U.S. Senator John Kean, son of Senator Hamilton Fish Kean. He graduated from St. Mark's School (1911) and Harvard University (1915), and father of former governor Thomas Kean. He served in the National Guard and later in the United States Army during World War I earning the rank of lieutenant, the Silver Star, and the Distinguished Service Cross.
After the war, Kean worked in investment banking in New Jersey and New York City. In 1938 he was elected as a congressman representing New Jersey's 12th district. He served in that position for twenty years until his retirement from Congress in 1959.
Kean University is named in honor of Robert Kean.