Alf Ihlen was a Norwegian industrialist.

He was born in Skedsmo

Skedsmo

Skedsmo is a municipality in Akershus county, Norway. It is part of the traditional region of Romerike. The administrative centre of the municipality is the town of Lillestrøm. About one third of the municipal population lives in Lillestrøm. Other important towns are Skedsmokorset, Skjetten and...

, as a son of engineer and politician Nils Claus Ihlen

Nils Claus Ihlen

Nils Claus Ihlen was a Norwegian engineer and politician for the Liberal Party. He served as foreign minister of Norway between 1913 and 1920.-Personal life:...

 and Henriette Marie Lund. He was co-manager of the workshop Strømmens Værksted

Strømmens Værksted

Strømmens Værksted A/S was an industrial company based in Skedsmo, Norway, specializing in the production of rolling stock. Founded in 1873, it remains as a part of Bombardier Transportation...

 for about fifty years, along with his brother Joakim Ihlen

Joakim Ihlen

Joakim Lund Ihlen was a Norwegian industrialist. He was born in Skedsmo, the son of engineer and politician Nils Claus Ihlen. He was co-manager of the workshop Strømmens Værksted for nearly fifty years, along with his brother Alf Ihlen....

. The two brothers developed their company into a world leading producer of aluminium based vehicles in the 1930s.