John Fairfield Scamman (or Scammon) (October 24, 1786 – May 22, 1858) was a United States representative from Maine.
He was born in Wells, Massachusetts (now in Maine) on October 24, 1786.
He attended the common schools, then engaged in mercantile pursuits.
He was Chairman of Committee on Expenditures in the US Department of the Treasury (Twenty-ninth Congress).
Scamman served in the Maine State Senate in 1855 and died in Saco on May 22, 1858.