Bundesautobahn 73 (translates from German as Federal Motorway 73, short form Autobahn 73, abbreviated as BAB 73 or A 73) is a motorway in Germany.

It connects Suhl to Nuremberg.

The part between Bamberg and Nuremberg is also known as the Frankenschnellweg.

Between exits Nürnberg/Fürth and Nürnberg-Hafen Ost it is not classified as Bundesautobahn.

In Nürnberg-Gostenhof it is not an Autobahn and interrupted by crossings with traffic lights.