Ryōichi Sasakawa (笹川良一 Sasakawa Ryōichi) was a Japanese businessman, fascist, and organized crime figure.

After World War II he was held as a class A war criminal in Sugamo Prison with Yoshio Kodama, where the two established a long-term friendship. He is most famous for his ties to the Moonies and his boast of being "the world's richest fascist."

ja:笹川良一