Provided is a basket for a refrigerator. The basket for a refrigerator, which defines a receiving space for a food includes a partition member disposed in the basket to partition an inner space of the basket, a pair of guide slots respectively defined in both side surfaces of the basket and opened along a moving direction of the partition member, the pair of guide slots guiding movement of the partition member, and a guide member disposed outside the basket, the guide member being coupled to the partition member through the guide slots. The partition member partitioning the inside of the basket may smoothly move to improve manipulation feeling and convenience in use.