Vice Admiral Claës Olof Lindsström (8 October 1876 – 3 January 1964) was a Swedish Navy officer.

He then went on to the Royal Swedish Naval Staff College in 1902 in the usual order and graduated in 1904[1] with the highest grades, which up to that point had ever been awarded.

He was a weapons teacher at the Royal Swedish Naval Academy from 1905 to 1910 and during his numerous tours at sea, Lindsström was, among other things, flag lieutenant (flaggadjutant) on eight different expeditions between 1905 and 1913.

[1] Lindsström became a member and secretary of the Naval Warfare Materiel Committee (Sjökrigsmaterielkommittén) in 1906 and served as adjutant to the Inspector of the Navy's Exercises at Sea, Rear Admiral Wilhelm Dyrssen, from 1907 to 1910.

[1] He was also a member of the Swedish Naval Studies Commission which, in the autumn of 1917, visited Germany with the main residence in the Flanders area occupied by the German Army (Zeebrugge-Ostend).

[1] In 1932 he was commanding officer of the Submarine Division and from 1933 to 1939, Lindsström served as a naval expert in Sweden's delegation at the League of Nations' Geneva Disarmament Conference.