- Ignacio Anaya GarcíaCitizenship: MexicoBorn: August 15, 1897
- Ikuo TakeuchiCitizenship: JapanBorn: 1946
- Ioannis S. ParaskevopoulosCitizenship: South AfricaBorn: June 20, 1889
- Irving KaplanskyCitizenship: CanadaBorn: March 22, 1917
- Isidro PólitCitizenship: SpainBorn: 1880
- Ivo BauersimaCitizenship: SwitzerlandBorn: September 17, 1931
- Iñaki García CaminoCitizenship: SpainBorn: 1958