"Valentine Fighter" (バレンタイン・ファイター) is the seventh Japanese single released by Korean boy group The Boss.

It was scheduled to be released on February 6, 2013 on their Japanese label Sony Music Entertainment.

The single will be available in three different versions, including two DVD editions and a CD only release.

Limited Type A includes a DVD with the music video for "Valentine Fighter" and off shot footage.

As with all previous releases, the CD only edition will feature one out of six trading cards.