George John McManus (1806 – October 18, 1887) was an Ontario political figure.

He represented Cardwell in the Legislative Assembly of Ontario as a Liberal-Conservative Party Member of Provincial Parliament from 1871 to 1874.

[1][2] McManus was born in Mountnugent, Kilbride Parish, County Cavan, Ireland, grew up there and settled in Mono Township in the summer of 1829.

McManus was named superintendent of schools in 1844 and also served as justice of the peace (appointed clerk, Simcoe Co. 8th Division Court, 1848) and a lieutenant-colonel in the local militia.

This article about an Ontario Progressive Conservative Party MPP is a stub.