"I'm Your Man" is the second Japanese single by South Korean boy band, 2PM. It was released on August 17, 2011, in 3 editions: CD+DVD, CD+Photobook and a Regular edition. In 2014, a Korean version of the song was included in 2PM's Korean studio album Go Crazy!
The B-side is a Japanese version of their Korean song "Without U", which served as the lead single of their 2010 EP Don't Stop Can't Stop.
A teaser of the music video was released on July 5, 2011 into 2PM's official Japanese website. The full music video premiered on MTV Japan on July 30. In the music video, the members dance in various studios dressed in formal attire. There are individual scenes of each member who are dealing with relationship problems.
2PM first performed "I'm Your Man" on the August 26 episode of TV Asahi's music program Music Station. The group made another performances of the song on Happy Music on August 27 and on Music Japan on August 28. The song was also performed in the 2012 MTV Video Music Awards Japan on June 23, 2012, along with "Beautiful".