Claus Bolten was a German fishing trawler which was requisitioned by the Kriegsmarine in the Second World War for use as a vorpostenboot, serving as V 213 Claus Bolten. She was sunk in a battle in the English Channel in July 1944.

The ship was 45.75 metres (150 ft 1 in) long, with a beam of 7.40 metres (24 ft 3 in). She had a depth of 4.22 metres (13 ft 10 in) and a draught of 3.34 metres (10 ft 11 in).^[1] She was powered by a four-cylinder compound steam engine, which had two cylinders of 32 centimetres (12+5⁄8 in) and two of 66 centimetres (26 in) diameter by 66 centimetres (26 in) stroke. The engine was made by Christiansen & Mayer, Harburg. It was rated at 57nhp. The engine powered a single screw propeller.^[2] It could propel the ship at 11 knots (20 km/h).^[1] She was assessed at 282 GRT, 109 NRT.^[2]

Claus Bolten was built as yard number 219 by Schiffbau-Gesellschaft Unterweser m.b.H, Wesermünde, Germany.^[1] She was launched on 25 September 1937 and completed on 17 December. She was built for the Cuxhavener Hochseefischerei, Cuxhaven.^[1] The Code Letters RGCK were allocated,^[2] as was the fishing boat registration HC 186. On 8 March 1929, she was sold to the Deutsche Hochsee Fischerei Bremen-Cuxhaven AG.^[1] On 22 January 1932, she was one of seven trawlers that put in to Reyjkjavík, Iceland having been damaged by severe weather. Claus Bolten had her funnel carried away.^[3] In 1934, her Code Letters were changed to DHED.^[4]

On 18 June 1940, Claus Bolten was requisitioned by the Kriegsmarine for use as a vorpostenboot. She was allocated to 2 Vorpostenflottille as V 213 Claus Bolten.^[1] On 28 June 1944, she was sunk in the English Channel north west of Saint-Malo, Ille-et-Vilaine, France (48°41′N 2°05′W) in an engagement with HMS Eskimo and HMCS Huron.^[1] V 209 Carl Röver was severely damaged and the minesweeper M 4611 was sunk in the engagement.^[5]