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.

[1] Making his professional debut in September 2009, he reached the top makuuchi division for the first time in March 2022.

[1] Fearing he would not make a good high school student, he took the advice of his stepfather and visited Arashio stable for two days to explore sumo as a possible alternative career path.

His most common winning kimarite are hataki komi (slap down) tsuki otoshi (thrust down) and oshi dashi (push out).

[5] Sanshō key: F=Fighting spirit; O=Outstanding performance; T=Technique     Also shown: ★=Kinboshi; P=Playoff(s) Divisions: Makuuchi — Jūryō — Makushita — Sandanme — Jonidan — Jonokuchi