The 5th Overseas Interarms Regiment (French: 5e régiment interarmes d'outre-mer (RIOM)) is a troupes de marine regiment stationed in Djibouti.

It is the last combined arms regiment in the French army comprising a mechanised infantry company, a light cavalry squadron, an artillery battery and a command and support company.

Based at Quartier Brière de l'Isle.

The Regiment is made up of: Since 1 August 2008, the Aviation Battalion Light Djibouti (MNAAvBn) equipped with Puma and Gazelle helicopters has been attached to the 5th RIAOM.

This article about a specific French military unit is a stub.