The individual locker assembly for refrigerators is intended for use in the workplace to permit employees to secure their perishable foods and beverages for lunches and snacks. The locker assembly is also suitable for installation in refrigerator units in medical offices and the like for the secure storage of controlled medications and the like that must be refrigerated. The locker assembly is assembled from top, bottom, side, and rear panels, and a series of intermediate shelves and dividers installed therein defining a plurality of individual storage compartments. Vertical panels include spring-biased pins that engage mating holes provided in the upper and lower interior panels of the refrigeration unit, to secure the assembly in place. Each compartment has its own lockable door. The locks may be combination units, key locks, external hasps and padlocks, or other lock types as desired. Integral locks may include provision for coin operation, if desired.