| Naval Boat Building Yard | |
|---|---|
| Ragama in Sri Lanka | |
&sq=Qlik&lang=&file=File:SriLanka-Independence_-_4_Feb_2019_(53).jpg) Wave Rider Class patrol boat produced by Naval Boat Building Yard | |
| Type | Shipyard |
| Site information | |
| Controlled by |  Sri Lanka Navy |
| Website | https://www.navy.lk/naval-boat-building-yard.html |
| Site history | |
| Built | 2000 |
| In use | 2000- Present |
Naval Boat Building Yard (NBBY) is a shipyard of the Sri Lanka Navy situated in Welisara that produce small and specialist watercraft for the Sri Lanka Armed Forces, state institutions and civilians.