HDMS Olfert Fischer (F355) was a Niels Juel-class corvette of the Kongelige Danske Marine (Royal Danish Navy, KDM).

[2] Although scheduled to commission on 25 May 1981, a fire broke out in the engine room eleven days prior, and the time required to repair the ship meant that she missed this date.

[clarification needed][4] The Gulf War deployment, which ended in September 1991, was the first time a Danish warship had operated outside the European region.

[3][5] The deployment marked a change in Danish attitudes and actions towards international security and foreign policy.

[1][7] In 2003, Olfert Fischer, the submarine Sælen, and a 380-strong force of soldiers were sent to the Persian Gulf region to support the United States-led invasion of Iraq.

[citation needed] Olfert Fischer and the other two Niels Juel-class corvettes were decommissioned on 18 August 2009.