Charles George Mullen (March 15, 1889 – June 6, 1963) was a Major League Baseball first baseman. From 1910 to 1911, Mullen played for the Chicago White Sox, who kept him at first base almost exclusively throughout his two seasons with the team. After a three-year absence, Mullen came back to the major leagues for play for the New York Yankees from 1914 to 1916. He had 183 hits in 741 at bats and 87 RBIs. Mullen died in Seattle, Washington. He is interred at Evergreen Washelli Memorial Park.