Lieutenant General Gustav Ivar Backlund (14 February 1892 – 5 July 1969) was a senior Swedish Army officer.

He held various roles, including adjutant to the Ministry of Defence and teacher at the Artillery and Engineering College.

In 1944, Backlund served as Commandant in Boden Fortress and held a key role in the IV Military District from 1944 to 1946.

Backlund was adjutant to the head of the Ministry of Defence from 1926 to 1928 and served as a general staff officer in the Militärläroverksinspektionen from 1928 to 1933.

He was then serving as vice chief of the Military Office of the Land Defence (Lantförsvarets kommandoexpedition) from 1937 to 1939 and he was promoted to lieutenant colonel in 1937.