Major General Nils Stefan Kristiansson (born 25 September 1951) is a retired Swedish Army officer.
Kristiansson was born on 25 September 1951 in Saint John Parish (Sankt Johannes församling) in Malmö, Sweden.
[2] Kristiansson graduated from the Military Academy Karlberg in 1976 and was commissioned as an officer in Halland Regiment the same year as a lieutenant, where he served until 1984.
Kristiansson then served as deputy commander of the Småland Brigade (Smålandsbrigaden) from 1994 to 1995 and became a Överstelöjtnant med särskild tjänsteställning [sv] in 1995.
He was promoted to brigadier general in 2001 and was a military adviser at the Ministry for Foreign Affairs from 2001 to 2003 and head of the Coordination Department at the Swedish Armed Forces Headquarters from 2003 to 2004.