W. A. (William Abraham) Hewitt was the Secretary of the Ontario Hockey Association from 1903 until 1966.

Hewitt was named a lifetime member of the Ontario Hockey Association of December 5, 1925 and later received the same distinction from the Canadian Amateur Hockey Association and the Amateur Hockey Association of the United States. He also served as a Trustee of the Memorial Cup, Canada's annual junior Hockey championship, the Allan Cup, emblematic of senior Hockey supremacy in North America.

Hewitt was inducted into the Hockey Hall of Fame in 1947.