Mamiya Rina is a character in the Higurashi no Naku Koro ni series, the antagonist of Tsumihoroboshi-hen and Miotsukushi-hen, and whose death usually causes Hōjō Teppei to return to Hinamizawa and abuse Hōjō Satoko in Tatarigoroshi-hen, Minagoroshi-hen, Tsukiotoshi-hen, and Miotsukushi-hen.