| Commissionaires Long Service Medal | |
| Presenter: | The monarch of Canada |
| Type: | Long Service Medal |
| Eligibility: | Canadian Corps of Commissionaires |
| Awarded For: | 12 years of service |
| Status: | Currently awarded |
| Clasps: | 5 additional years of service (maximum of 3 clasps) |
| Established: | 20 August 1948 |
| Higher: | Service Medal of the Order of St John |
| Lower: | Newfoundland and Labrador Bravery Award |
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.
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.