HNoMS Uthaug (S304)

HNoMS Uthaug (S304) may refer to one of the following submarines of the Royal Norwegian Navy:


 * HNOMS Uthaug, a Kobben-class submarine, commissioned in 1965; transferred to the Royal Danish Navy in 1989; renamed HDMS Sælen
 * HNOMS Uthaug, an Ula-class submarine, commissioned in 1991 and in active service