Rear Admiral Anders Lennart Grenstad (born 22 July 1958) is a retired Swedish Navy officer.

He left the post on 24 February 2011 and took a position on 1 April 2011 as commanding officer of the Swedish delegation to the Neutral Nations Supervisory Commission (NNSC) in the Korean Demilitarized Zone between North Korea and South Korea.

[6] He left the post in 2013[7] On 25 November 2013, Grenstad was assigned to the Chief of Policy and Plans Department at the Swedish Armed Forces Headquarters.

[11] He there in this position until he again was appointed Commanding Officer of the Swedish delegation to the Neutral Nations Supervisory Commission (NNSC) on 1 March 2017.

[12] On 21 July 1981, Grenstad got engaged to Anja van den Berg, a flight attendant from the Netherlands, and daughter of Frans van den Berg and his wife Annie (née Kitzen).