Grafton Irving Kenyon (March 18, 1882 – January 16, 1960) was an American businessman, politician, and military officer from South Kingstown, Rhode Island, who served as a member of both the Rhode Island House of Representatives and the Rhode Island Senate. Kenyon was the first Scoutmaster in Rhode Island, serving as the first Scoutmaster of Troop 1, Wakefield, the oldest Boy Scout Troop in the state.