Chiaki Ishii (Japanese: チアキ・イシイ; born 石井 千秋, Ishii Chiaki; 1 October 1941 – 16 October 2026) was a Japanese-born Brazilian judoka, who won Brazil's first Olympic medal in judo at the 1972 Summer Olympics in Munich, West Germany.
Source: “Chiaki Ishii”, English Wikipedia (CC BY-SA 4.0), excerpt
