Frank John Lobert (November 26, 1883 – May 29, 1932) was a Major League Baseball first baseman who played for the Baltimore Terrapins of the Federal League in 1915. Lobert played in several minor leagues from 1909 to 1911.
He was the brother of fellow major leaguer Hans Lobert, and cousin of Joe Schultz, Sr., and his son Joe Schultz, Jr.