| Country: | KEN |
| Type: | A |
| Route: | 23 |
| Maint: | Kenya National Highways Authority |
| Map: | A23 Kenia (A+B).svg |
| Map Notes: | A23 at the bottom of the map (Darker Green) |
| Length Km: | 110 |
| Length Notes: | within Kenya |
| Direction A: | East |
| Terminus A: | Voi |
| Direction B: | West |
| Terminus B: | Taveta |
| Counties: | Taita-Taveta County |
The A23 is a major road in Kenya linking the towns of Voi and Taveta, before crossing the Tanzanian border (where it ceases to be classified as the A23) and serving the towns of Moshi and Arusha. The Taveta branch of the Uganda Railway runs along the road. It is part of the Arusha–Holili–Taveta–Voi Road.
The following towns, listed from east towards the west, are located along the highway.[1]