The Ontario Provincial Police issued a news release Tuesday about Frank Peter Spagnola.
Police say Spagnola is wanted for an alleged breach of his parole.
The 55-year-old Spagnola is 5'4" and weighs nearly 200 pounds. Police say he has a shaved head, a light-coloured goatee and wears prescription glasses.
Spagnola has numerous tattoos, including on his arms, chest, abdomen, legs, ankles and back.
Police say Spagnola has previously been convicted of break-and-enter, fraud, assault and drug offences. He was also convicted of manslaughter in 1998.
According to police, Spagnola has frequented the cities of Kingston, Barrie, Windsor, Toronto, Guelph, Hamilton, Orangeville, Oshawa, Oakville, Peterborough, Brantford and Bracebridge.
Anyone with knowledge of Spagnola's whereabouts is asked to contact police.