«Big in Japan» is the debut single of the band Alphaville. It is from their 1984 album Forever Young. The title comes from a phrase Big in Japan, which was used to describe Western bands who are popular with Japanese audiences while garnering little attention in their home country.

The single was a great success in many countries, including SwitzerlandGermanySweden . The song also reached #1 on Hot Dance Club Play in December 1984.

The video was directed by Yello‘s Dieter Meier.