James Paul Flanagan (April 20, 1881 – April 21, 1947) was a Major League Baseball center fielder. He played for the Pittsburgh Pirates just at the end of the 1905 season (September 25-October 7). The 24-year-old rookie, who stood 6 ft 1 in (1.85 m) and weighed 185 lbs., was a native of Kingston, Pennsylvania, and attended the University of Notre Dame. Two of his famous teammates on the Pirates were future Hall of Famers Honus Wagner and Fred Clarke. Flanagan died at the age of 66 in Wilkes-Barre, Pennsylvania.