| Full name: | Ian Guy Thwaites |
| Born: | 4th March 1943, Brighton, Sussex, England |
| Died: | 30th September 2015 |
| Batting: | Right-hand batter |
| Biography: | Doctor in Horsham, Sussex for many years |
| Education: | Eastbourne College; Gonville and Caius College, Cambridge |
| Relations: | Cousin: JGH Thwaites; Son: GE Thwaites |
| Teams: | Cambridge University (Main FC: 1963-1964); All teams |
| Lists of matches and more detailed statistics | |
| First-Class Career Batting and Fielding (1963-1964) | ||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | Ct | ||
| Cambridge University | 22 | 38 | 4 | 769 | 61 | 22.61 | 0 | 4 | 3 | |
| First-Class Career Bowling (1963-1964) | ||||||||||
| Balls | Mdns | Runs | Wkts | BB | Ave | 5wI | 10wM | SRate | Econ | |
| Cambridge University | 282 | 17 | 127 | 4 | 1-1 | 31.75 | 0 | 0 | 70.50 | 2.70 |