The 1913 Portland Beavers season was the 11th season in the history of the Portland Beavers baseball team. Under the leadership of manager Walt McCredie, the team compiled a 109–86 record and won the Pacific Coast League (PCL) pennant. The Beavers won five PCL pennants between 1906 and 1914. Second baseman Bill Rodgers was the team captain and led the PCL with 239 hits. Pitchers Hi West and Bill James ranked first and second in the league with earned run averages of 1.71 and 1.98.