Robert Wilson Sears (November 30, 1884 – January 9, 1979) was an American épée and foil fencer and modern pentathlete.

He won a bronze medal in the team foil event at the 1920 Summer Olympics.

[1][2] A 1909 graduate of the United States Military Academy at West Point, New York, with George S. Patton, Jacob L. Devers and William Hood Simpson among his fellow graduates, he was captain of the Army team that twice won the IFA foil team title.

At the 1920 Olympics, Sears won a bronze medal in foil team at the age of 36, participated in the épée team event, and finished eighth in modern pentathlon.

At the age of 60, he was the oldest combat soldier in the European Theater of Operations.