Harry Sibley Hinchman (August 4, 1878 – January 19, 1933) was an American Major League Baseball second baseman who played for one season.

He began his professional career with the Ilion Typewriters of the New York State League in 1902.

His best year as a player in 1915 with the Kansas City Blues of the American Association.

His last year as a player was in 1921 with the Chambersburg Maroons of the class D Blue Ridge League.

This biographical article relating to an American baseball second baseman is a stub.