Ryūdōin (龍堂院, Ryūdōin) can refer to the following characters:

• Agira Ryūdōin
• Genshō Ryūdōin
• Jakō Ryūdōin
• Rokkaku Ryūdōin

This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.