Hauerseter–Gardermoen Line (Norwegian: Hauerseter–Gardermobanen), previously also known as the Gardermoen Line, is an abandoned, 6.7-kilometer (4.2 mi) branch line in Ullensaker, Norway, which connected Hauerseter Station on the Trunk Line to Gardermoen Air Station. The line had three branches at Gardermoen, one of which led to Trandum.