John Budd Ryan (October 6, 1885 – July 9, 1956) was a Major League Baseball outfielder who played for two seasons. He played for the Cleveland Naps from 1912 to 1913, playing in 166 career games. He managed the Sacramento Senators of the Pacific Coast League from 1924 to 1932 and later managed the Portland Beavers in 1935, the Wenatchee Chiefs in 1946 and 1947 and the Spokane Indians in 1948.