| Official Name: | Kahathuduwa |
| Settlement Type: | town |
| Pushpin Map: | Sri Lanka |
| Subdivision Type: | Country |
| Subdivision Name: | Sri Lanka |
| Subdivision Type1: | Province |
| Subdivision Name1: | Western Province |
| Subdivision Type2: | District |
| Subdivision Name2: | Colombo District |
| Established Title: | Established |
| Timezone: | SLT |
| Utc Offset: | +5:30 |
| Utc Offset Dst: | +6 |
| Coordinates: | 6.7842°N 79.9811°W |
| Postal Code: | 10300 |
Kahathuduwa is a small town in the Colombo District of the Western Province of Sri Lanka. It is located approximately 28.3km (17.6miles) south east of Colombo. It has interchange to southern express way
Kahathuduwa is located on the B84 (Colombo to Horana Road) and is situated at the second exit (Exit 2) on the E01 (Southern Expressway) and will be the beginning point of E06 (Ruwanpura Expressway), connecting Rathnapura and Pelmadulla to the national expressway network.[1]