| Oon Jin Teik | |
| Nationality: | Singaporean |
| Birth Date: | 27 March 1963 |
Oon Jin Teik (born 27 March 1963) is a Singaporean breaststroke and freestyle swimmer. He competed in three events at the 1984 Summer Olympics.[1] His younger brother, Oon Jin Gee, also competed at the Olympics.[1]