John Joseph Newcome (died 1938) was an independent Irish politician. He was a member of Seanad ÃÂireann from April to August 1938. He was elected to the 2nd Seanad in April 1938 by the Administrative Panel. He lost his seat at the August 1938 Seanad election. He was a governor of the Mount Street Club, a charity that helped the unemployed.