| Intro | Swazi middle-distance runner |
| Is | Athlete |
| From | Swaziland |
| Type | Sports |
| Gender | male |
| Birth |
15 February 1984 |
| Age | 36 years |
Isaiah Msibi (born February 15, 1984) is a Swazi middle-distance runner. He represented Swaziland at the 2008 Summer Olympics in Beijing, and competed in the men’s 1500 metres. Msibi ran in the second heat of the competition, finishing in twelfth place, with a personal best time of 3:51.35.