Carl Carlsson Mörner (1 December 1755 in Jönköping – 24 June 1821 in Stockholm) was a Swedish nobleman, officer, and politician.
After rising through the ranks after being accepted as a cadet in 1771, he was made field marshal in 1816, and served as Governor-general of Norway from 1816 to 1818.
He was made count of Tuna in 1800.
He was married to Charlotta Arfwedson, was commonly known to be his political adviser.