Abstract: A refrigerator that prevents air from flowing between two storage chambers through drain pipes draining defrosted water is provided. The refrigerator includes a main body including a first cooling chamber generating cool air supplied to a first storage chamber, and a second cooling chamber generating cool air supplied to a second storage chamber; a first drain pipe draining water collected from the first cooling chamber to a water collecting basin provided at an outside of the first and second cooling chambers; and a second drain pipe draining water collected from the second cooling chamber to the water collecting basin. The first drain pipe includes an insertion portion, which is inserted into the second drain pipe and is extended to the water collecting basin.