Grenville W. "Gren" Goodwin (1898 – 27 August 1951) was Mayor of Ottawa for several months in 1951. His hometown was Prescott, Ontario and he was an optometrist by profession. He moved to Ottawa in 1911.
Grenville W. "Gren" Goodwin (1898 – 27 August 1951) served as the Mayor of Ottawa for a period in 1951.  He was born in Prescott, Ontario and worked as an optometrist. He relocated to Ottawa in 1911.