Arthur Arnold Mahaffy (December 30, 1861 – November 3, 1947) was an Ontario barrister and political figure.
He represented Muskoka in the Legislative Assembly of Ontario from 1903 to 1912 as a Conservative member.
He was born in Grey County, Canada West, the son of doctor John Mahaffy.
[1] He was elected to the provincial assembly in a 1903 by-election held after the death of Samuel Bridgeland.
This article about an Ontario Progressive Conservative Party MPP is a stub.