| Jack Lewis | |
| Nationality: | Irish |
| Sport: | Equestrian |
| Birth Date: | 1902 |
| Birth Place: | Limerick, Ireland |
| Death Date: | 13 March |
Jack Lewis (1902 - 13 March 1983) was an Irish equestrian.[1] He competed in two events at the 1948 Summer Olympics.[2] Lewis later became the chair of the Show Jumping Association of Ireland and its first Director General.[1]