HDMS Sælen (S323) is one of the three Tumleren-class small coastal submarines of the Kongelige Danske Marine (Royal Danish Navy). She was built as a Type 207 submarine by Rheinstahl-Nordseewerke of Emden, Germany in 1965 for the Royal Norwegian Navy and served for 25 years as KNM Uthaug before being purchased by Denmark in 1990. Sælen served in the 2003 invasion of Iraq from May 2002 until June 2003. December 21, 2004 she was handed over to the Royal Danish Naval Museum. MIKE