Kōtokuzan Tarō (荒篤山 太郎; born 11 March 1994 as Jasper Kenneth Arboladura Terai) is a Filipino-Japanese professional sumo wrestler from Makati, Philippines. Making his professional debut in September 2009, he reached the top makuuchi division for the first time in March 2022. He has a highest rank of maegashira 16. He wrestles for Arashio stable.