John William Knibbs Jr. (November 8, 1880 – July 5, 1953) was an American football player and coach. Knibbs was born in Massachusetts on November 8, 1880. He attended Dartmouth College from which he graduated in 1905. He played on the Dartmouth Big Green football team from 1901 to 1904, and was the team captain in his senior year. Knibbs' son, John W. Knibbs III, also played football at Dartmouth.