Olaf Henning Thommessen (born 1 August 1966) is a Norwegian businessman and politician for the Liberal Party.

Olaf Thommessen is a Roman Catholic of French and Norwegian descent. His mother was Anette Thommessen (1932–1994), a French national. Annette got her Norwegian surname when she was married to Henrik Peter Thommessen from 1953 to 1978, who was a son of Olaf D. Thommessen

Olaf D. Thommessen

-Personal life:He was the youngest son of Anne and Rolf Thommessen, and thus a paternal grandson of Ola Thommessen and maternal grandson of Mikkel Dobloug....

, grandson of Anne

Anne Thommessen

-Personal life and education:She was born in Kristiania as a daughter of Mikkel Dobloug and his wife Susanna, née Baashuus . She finished her secondary education with a private exam at Gjertsen's School in 1897. She later studied philology, but the studies were interrupted because of marriage.In...

 and Rolf Thommessen

Rolf Thommessen

Rolf Thommessen was a Norwegian journalist, newspaper editor and politician. He edited the newspaper Tidens Tegn from 1917 to 1938...

 and great-grandson of Ola Thommessen

Ola Thommessen

Ola Thommessen was a Norwegian newspaper editor. He was the long-time editor of Verdens Gang and Tidens Tegn.-Early and personal life:...

. From 1996 to 2007 Olaf Thommessen was married to supermodel-actress Vendela Kirsebom

Vendela Kirsebom

Vendela Maria Kirsebom is a Norwegian-Swedish model and actress living in Nesodden, Norway.-Early life and career:Vendela Kirsebom was born in Stockholm, Sweden to a Norwegian mother; her Swedish father was of Turkish descent. At age 13, Kirsebom was discovered in a Stockholm restaurant by Eileen...

, by whom he has two children.

He was elected to the central board of the Liberal Party in 2002. In 2004 he became second deputy leader of the party. He withdrew in 2007. He served as a deputy representative to the Parliament of Norway from Oslo

Oslo

Oslo is a municipality, as well as the capital and most populous city in Norway. As a municipality , it was established on 1 January 1838. Founded around 1048 by King Harald III of Norway, the city was largely destroyed by fire in 1624. The city was moved under the reign of Denmark–Norway's King...

 during the term 2005–2009, and was also a member of Oslo city council

City council

A city council or town council is the legislative body that governs a city, town, municipality or local government area.-Australia & NZ:Because of the differences in legislation between the States, the exact definition of a City Council varies...

.

In 2007 he released the autobiography På innsiden utenfor.