Otto von Bülow (16 October 1911 – 5 January 2006) was a German U-boat commander in World War II, and a captain in the Bundesmarine.

On 5 June 1937 he married Helga Christiansen (born 2 April 1914 in Rødding, Denmark, then a part of Germany).

Bülow joined the Kriegsmarine on 1 April 1930, and completed his basic training in Stralsund.

His first assignment was on the Niobe, a German training ship, from July until October 1930.

In April 1940 Bülow transferred to the U-boat service, and completed his training on 11 November 1940.