Hey Hey My My Yo Yo is the second and final album by Danish pop duo Junior Senior, released in Japan and parts of Europe in 2005.

The album was released on 14 August 2007 in the United States and packaged with a bonus EP.

[1] The American version of the album was released by Rykodisc Records on 14 August 2007.

[4] This release of the album included a seven-song bonus EP.

[4] All tracks are written by Jesper "Junior" Mortensen, except where noted [2]All tracks are written by Jesper "Junior" Mortensen[15]