"Ultra Lover" is the third Japanese single by South Korean boy band 2PM. It was released on November 2, 2011 in 3 editions: CD+DVD, CD+Photobook and a Regular edition. The single was released along with the group's second live DVD "1st Japan Tour 2011 "Take Off" in Makuhari Messe". The single ranked #4 in Oricon's Weekly chart.
A teaser of the music video was released on October 1, into 2PM's official Japanese website and the full music video on October 9. It premiered on the Japanese TV network Space Shower TV. In the choreography scenes of the music video, the member Taecyeon doesn't appear. Taecyeon was hurt during opening tour of 2PM's Asia tour in Seoul.