Lieutenant General Jakob Hjalmar Åström (22 August 1888 – 28 April 1957) was a Swedish Coastal Artillery officer.

[3] Åström served as commander of Karlskrona Coastal Artillery Regiment from 17 July 1935 to 31 March 1941.

[2] On 1 April 1941, Åström was promoted to major general and appointed Chief of the Swedish Coastal Artillery (CKA), a position which three months later was changed to Inspector of the Swedish Coastal Artillery (IKA).

[2] He played a very active part in the training of Norwegian free forces in coastal artillery service during World War II.

After the end of the war, he was one of the initiators of Norwegian coastal artillery cadets being trained at the Royal Swedish Naval Academy for a number of years.