Seal of Reconciliation (和解の印, Wakai no In) refers to:
- Seal of Reconciliation, a hand seal, while not used in battle or for techniques, used as a demonstration that the two opponents are still comrades after sparring.
- The Seal of Reconciliation, chapter 699 of the manga.
- Unison Sign, episode 277 of the Naruto: Shippūden anime.
- The Unison Sign, episode 478 of the Naruto: Shippūden anime.