| Toshimitsu Kai | |
| Birth Date: | 27 July 1956 |
| Birth Place: | Miyazaki Prefecture, Japan |
| Weight: | 67kg (148lb) |
| Status: | Professional |
| Extour: | Japan Golf Tour |
| Prowins: | 6 |
| Japwins: | 2 |
| Otherwins: | 4 |
Toshimitsu Kai (born 27 July 1956) is a Japanese professional golfer.
Kai played on the Japan Golf Tour, winning twice.
| No. | Date | Tournament | Winning score | Margin of victory | Runner-up | |
|---|---|---|---|---|---|---|
| 1 | 11 Apr 1982 | Hakuryuko Open | −5 (73-66-74-70=283) | 4 strokes |  Tsuneyuki Nakajima | |
| 2 | 20 Mar 1988 | Shizuoka Open | −5 (71-72-72-68=283) | Playoff | Tomohiro Maruyama |
PGA of Japan Tour playoff record (1–0)