|Family Head||Yūshirō Shihōin|
|Family Seat||Shihōin Clan Manor, Seireitei, Soul Society|
|Affiliation||Onmitsukidō, 2nd Division, Gotei 13, Soul Society|
|Specialty||Caretakers of the Hōgu and Bugu.|
The Shihōin Clan (四楓院家, Shihōin-ke; lit. "Shihōin family") is one of the Four Great Noble families of Soul Society.
By tradition, the head of the Shihōin family leads the Onmitsukidō. Also known as the Tenshiheisōban (天賜兵装番, Guardian of Imperial Soldier Garments; Viz "Defender of the Realm"), they are the Caretakers of the Hōgu (宝具, Treasured Tools) and Bugu (武具, Armaments) said to have been bestowed on them by the gods.
Every generation the head of the Shihōin is tasked to protect the Tenshiheisō (天賜兵装, Imperial Soldier Garments), an incredible spiritual tool that is said to have been handed down from the Heavens. If they attain a captain seat in the Gotei 13, the Onmitsukidō are led under that captaincy as well.
|Yoruichi Shihōin||22nd Head of the Shihōin Clan||Older Sister of Yūshirō||Alive|
|Yūshirō Shihōin||23rd Head of the Shihōin Clan||Younger Brother of Yoruichi||Alive|
|Shihōin Clan Retainers|
|Suì-Fēng||Commander-in-Chief of the Onmitsukidō & Corps Commander of the Executive Militia||Alive|
|Marechiyo Ōmaeda||Corps Commander of the Patrol Corps of the Onmitsukidō||Alive|
- Shihōin Shield (四楓院家の紋, Shihōin-ke no Mon; lit. "Shihōin Family's Seal"): the device used by Jūshirō Ukitake and Shunsui Kyōraku to destroy the Sōkyoku. It is a large, shield-like item with the Shihōin family crest stamped on it and a long cord connected to it. When the cord is wrapped around the Sōkyoku and two Zanpakutō are stabbed into two vertical slots running from its top, their Reiryoku flows through the cord and destroys the Sōkyoku. The Shield is normally kept under a seal for some form of protective purposes.