Martin Weld Deyo (December 12, 1902 – October 20, 1951) was an American lawyer and politician from New York.
He attended Binghamton Central High School, and graduated from Amherst College in 1925.
He graduated from Columbia Law School, was admitted to the bar in 1931, and practiced in Binghamton.
He was a justice of the New York Supreme Court (6th D.) from 1940 until his death in 1951, and sat on the Appellate Division (3rd Dept.)
He died on October 20, 1951;[4] and was buried at the Floral Park Cemetery in Johnson City.