Monryu is a designation used to refer to branch schools of Nichiren's disciples who considered the Myohorenge-kyo Sutra (the Lotus Sutra) as Shobo (the true teachings of Buddha), by using the founder's name or the name of the area where the founder propagated Buddhism.
門流（もんりゅう）とは、妙法蓮華経（法華経）を正法ととらえる日蓮門下の分派を、派祖もしくは派祖が弘法した地名によって示す場合の呼称。