MS Kronprins Frederik is a freight ferry that operates between Germany and Denmark.

She entered service in April 1981 operating on the Nyborg - Korsør route.

Following the opening of the Great Belt Fixed Link in June 1997.

In December 1997 the Kronprins Frederik was rebuilt and entered service on the Gedser - Rostock route.

The Kronprins Frederik is the third of three identical ships built for DSB.