Chief Mark Mander, chair of the association's drug abuse committee, said officers currently have only two choices: turn a blind eye, or lay down the law.
"Either to caution the offender, or lay formal charges, resulting in [a] lengthy, difficult process, which results in a criminal charge if proven, a criminal conviction, and a criminal record."
Mander said ticketing the offender would be far less onerous and expensive.
Federal Justice Minister Peter MacKay, in Winnipeg to gather ideas for a bill of rights for victims of crime, said he appreciates the input.
But in a statement he said that the government "has no intention of legalizing or decriminalizing marijuana," even though that is not what the police chiefs are proposing.
Mander said in a near unanimous vote, the chiefs voted to propose a ticket and fine for simple possession.
"Clearly there are circumstances where a formal charge for simple possession is appropriate, however the large majority of simple possession cases would be more effectively, efficiently dealt with [by issuing a ticket]."
Mander said that would also free up court time.