| Country: | TZA |
| Type: | T |
| Route: | 21 |
| Maint: | TANROADS |
| Map: | T21 Tansania.svg |
| Map Notes: | The T21 is indicated in yellow. |
| Length Km: | 62 |
| Direction A: | North |
| Terminus A: | in Himo |
| Direction B: | South |
| Terminus B: | at the Kenyan border in Tarakea |
| Regions: | Kilimanjaro |
| Previous Type: | T |
| Previous Route: | 20 |
| Next Type: | T |
| Next Route: | 22 |
The T21 is a trunk road in Tanzania. The road runs north from Himo towards the Kenyan border in Tarakea.[1] The roads as it is approximately 62km (39miles).[2] The road is entirely paved.[3]
