BRP Bagong Silang (PB-104) is the fourth ship of the Kagitingan class coastal patrol interdiction crafts of the Philippine Navy.

[1] It was reclassified to BRP Bagong Silang (PB-104) in April 2016 under the new classification standards of the Philippine Navy classifying it as a patrol boat.

The boat and all the ships in its class was considered to be unsuccessful, and was originally designed to have a maximum speed of 28 knots, but the design failed to achieve the said speed as it was underpowered.

The boat was installed with the Selenia Orion RTN-10X fire control radar and Selenia Elsag NA-10 Mod.0 gunfire control system,[1] but it appears that they have been removed.

It was also originally armed with the Emerlec EX-31 30mm twin gun mount, but was replaced by a Bofors Mark 3 40mm/60 caliber gun several years later.