All Is Fair in Love and War

All Is Fair in Love and War may refer to:


 * "All is fair in love and war", a proverb attributed to John Lyly's Euphues
 * All Is Fair in Love and War (album), an album by Blessed by a Broken Heart
 * "All Is Fair in Love and War" (song), a song by Ronnie Milsap
 * "All is Fair in Love and War", the second episode of the ninth season of reality TV show Total Divas