| Birth Date: | 27 October 1982 |
| Birth Place: | Canberra, Australian Capital Territory |
| Height: | 172 cm |
| Weight: | 75 kg |
| Sport: | Athletics |
| Event: | 4 × 100m relay |
Isaac Ntiamoah (born 27 October 1982) is an Australian track and field sprinter.
He was a member of the Australian 4 × 100 m relay team that equalled the Australian record when they qualified for the finals at the 2012 London Olympics.[1] In the final the team finished sixth. Ntiamoah also took a fourth place in the relay at the 2010 Commonwealth Games, and competed in relay at the 2011 World Championships without reaching the final.