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 5–7–2. Craig also coached basketball at Ottawa for two seasons. Earlier, he was a prominent track athlete with the Kansas City Athletic Club. In 1915, Craig accepted a position with the YMCA organization at Stockton, California.