Charles Joseph Osman (April 15, 1851 – 1922) was a businessman and political figure in New Brunswick, Canada.
He represented Albert County in the Legislative Assembly of New Brunswick from 1897 to 1908 as a Liberal member.
He was born in England, was educated in Hertfordshire and later emigrated to New Brunswick.
Osman married Laura E.
Tomkins.
He was the manager of a plaster mill and quarries at Hillsborough.
He was first elected in an 1897 by-election held after William James Lewis was elected to the House of Commons of Canada.