Arza Casselman

Ontario lawyer and political figure Arza Clair Casselman in 1915.

Arza Clair Casselman, QC (January 19, 1891 – May 11, 1958) was a Canadian lawyer and political figure in Ontario, Canada. He represented Grenville in 1921 and then Grenville—Dundas from 1925 to 1958 in the House of Commons of Canada as a Conservative and later Progressive Conservative member.