Lieutenant General Nils Gustaf Axel Welin (12 July 1930 – 11 November 2008) was a senior Swedish Army officer.

[2] His father was born in Stockholm and participated in the Winter War as chief engineer in the Swedish Volunteer Corps.

His sister Birgitta was a librarian in Vaxholm and was married to the Justice of the Supreme Court of Sweden Tor Sverne [sv].

[2] As appointed by Minister of Defence Anders Björck, Welin did a solo investigation into where the UN school and a possible international disaster and aid center should be located; Karlsborg or Södertälje.

[5] Welin was also a board member of the Swedish Fencing Federation (Svenska Fäktförbundet) from 1974 to 1982[2] and chairman of the Sveagardesföreningen from 1993 to 2000 and in the association De Femton.

Welin became a member of the Royal Swedish Academy of War Sciences in 1973 and served as chairman of Departmen I from 1996 to 2000 and was vice president from 2002 to 2006.