The Commissionaires Long Service Medal is a Canadian service medal for members of the Canadian Corps of Commissionaires. The medal honours 12 years of exemplary service by members of the Canadian Corps of Commissionaires.

Commissionaires Long Service Medal
Ribbon bar of the Commissionaires Long Service Medal
Type	Long Service Medal
Awarded for	12 years of service
Presented by	The monarch of Canada
Eligibility	Canadian Corps of Commissionaires
Clasps	5 additional years of service (maximum of 3 clasps)
Status	Currently awarded
Established	20 August 1948
Precedence
Next (higher)	Service Medal of the Order of St John
Next (lower)	Newfoundland and Labrador Bravery Award

A clasp is awarded for each additional period of 5 years service up to a maximum of 3 clasps. The medal is accompanied by a certificate. There is no Post Nominal entitlement accompanying receipt of the medal.

This medal was first approved by the Secretary of State on 20 August 1948 although a slightly different form. An Order in Council of 26 February 1998 officially incorporated it into the Canadian Honours system.