Mark H. Bonnell (June 7, 1860 - March 22, 1945) was a Canadian politician, who represented the electoral district of 4th Kings in the Legislative Assembly of Prince Edward Island from 1922 to 1923. He was a member of the Prince Edward Island Liberal Party.Originally from Lamaline, Newfoundland, Bonnell was a sea captain and farmer. He was elected to the legislature in a by-election in 1922 following the death in office of William G.