Abstract: A grease canister holder provides an improved method of storing one or two standard grease gun cartridges in an accessible location. The grease canister holder stores a plurality of grease canisters in a generally vertical orientation. The device is removably attachable to a vertical surface. The device includes a housing having a bottom wall and a peripheral wall extending upwardly from the bottom wall. A plurality of compartments is attached to and extends downwardly away from the bottom wall. Each of the compartments has a lower wall. The bottom wall has a plurality of openings therein. Each of the openings extends into one of the compartments. A bracket for releasably securing the housing to the vertical surface is attached to the housing.