Rolv Helge Wesenlund (17 September 1936 – 18 August 2013) was a Norwegian comedian, singer, clarinetist, writer and actor.

[1] Wesenlund was most known for having portrayed the title character in the musical Bør Børson jr. and movies Bør Børson jr., Bør Børson II, and the TV series Fleksnes Fataliteter, a popular Scandinavian sitcom, with a huge number of fans in Sweden, Denmark as well as Norway.

The show was mainly an adaption of the British series Hancock's Half Hour.

Wesenlund wrote several books, directed theatrical plays, and was active in several movements to promote senior citizens' causes.

Wesenlund was appointed a Knight First Class of the Royal Norwegian Order of St. Olav —and was popular in Denmark and Sweden as well as in his home country.