Masakazu Yokoyama (横山正和 Yokoyama Masakazu) was a sound effects editor and currently a member of Sound Effects, Inc. at the time of his death. He was a former member of E&M Planning Center.

Yokoyama was born in 1948 and died at the age of 72 on March 3, 2020. Aki Yokoyama, who is often credited alongside him, is his daughter.

Sound Effects Libraries he uses:

Legend: BOLD indicates main library usage

Community content is available under CC-BY-SA unless otherwise noted.