William Porter Craig (October 24, 1888 – ?) was an American football and basketball coach.
He was the seventh head football at Ottawa University in Ottawa, Kansas, serving for two seasons, from 1913 to 1914, and compiling a record of 5–6–2.
Craig also coached basketball at Ottawa for two seasons.
Earlier, he was a prominent track athlete with the Kansas City Athletic Club.
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In 1915, Craig accepted a position with the YMCA organization at Stockton, California.