Torstein Andersen Aase, Norwegian footballer

Torstein Andersen Aase (born 24 October 1991) is a Norwegian football striker who plays for Lyn .

Aase was born in Oslo, the son of Thor Einar Andersen and Kristin Aase. He played youth football in Nordstrand IF, and made his senior team debut before turning 15 years old. After the 2007 season he went from Nordstrand to Stabæk Fotball. Aase moved to KFUM Oslo ahead of the 2013 season.