Hirohito Ota (????, ota hirohito, April 1, 1970 – 2018) was a Japanese freelance writer and Zen monk.
Hirohito was a researcher of Japanese graves and missionary history in South America with a focus on Peru.
He was the Japanese editor for the Japanese-language Peru newspaper Peru Shinpo.
He graduated from Kokugakuin University with a degree in Shinto studies.
He was devoted to the study of Suika Shinto, a branch of Shinto developed by Yamazaki Ansai, religious sociality, and the religious activities of Lafcadio Hearn.
Many of his articles dealt with Japanese Peruvians, Japanese Buddhism, and Peruvians in Japan.