Peter Takaaki Hirayama (March 31, 1924 – July 15, 2023) was a Japanese prelate of the Catholic Church.
Hirayama was born in Seoul and was ordained a priest on March 19, 1957.
Hirayama was appointed bishop of the Diocese of Oita on November 15, 1969, and was consecrated on January 25, 1970.
Hirayama served in this capacity until his retirement on May 10, 2000.
This article about a Catholic bishop from Asia is a stub.