John Wesley Williams (December 3, 1904 – death unknown), nicknamed "Big Boy", was an American Negro league baseball player, primarily a pitcher, between 1926 and 1936.

A native of South Bend, Indiana, Williams made his Negro leagues debut in 1926 with the Dayton Marcos.

[1][2] He spent 1927 through 1930 with the St. Louis Stars, and was credited with a win and a loss in 12 innings pitched in the Stars' 1928 Negro National League championship series victory over the Chicago American Giants.

[3] He also played in the outfield when not pitching.

This Negro league baseball pitcher article is a stub.