William Rabb Beatty
William Rabb Beatty was an Ontario businessman and political figure. He represented Parry Sound in the Legislative Assembly of Ontario as a Liberal-Patrons of Industry member from 1894 to 1898 and as a Liberal from 1898 to 1902.
He was the manager for the Beatty Line, a steamship company operating on the Great Lakes. His brother Walter Beatty also served in the provincial assembly. Beatty lived in Parry Sound.