Marshall Vaughan (March 16, 1884 – 1959) was an Ontario merchant and political figure.
He represented Welland in the Legislative Assembly of Ontario from 1923 to 1934 as a Conservative member.
He was born in Gainsborough Township, Lincoln County, Ontario, the son of Wilford Vaughan.
He was a wholesale dealer in seeds.
In 1911, he married Evelyn Maud House.
Vaughan was the first mayor of Welland, serving in 1917 and 1918.
He was a recruiter for the Royal Flying Corps during World War I.
He was a Mason and a member of the Orange Order and the Knights of Pythias.