Sio Sam Ong

Sio Sam Ong
小三王
Foundedc.1940; 84 years ago (1940)
Founding locationPenang, Straits Settlements
EthnicityHokkien
Leader(s)Ong King Ee

Sio Sam Ong (Chinese: 小三王), literally meaning "Three Little Kings", or SSO, for short, is a leading Chinese triad in Malaysia; with a strong presence in the north (i.e. Kedah, Perlis). Mainly based in Penang and Selangor. It is widely considered to be one of the most powerful triads in the country. Like their counterparts in Singapore and Taiwan, the Sio Sam Ong mostly consists of the Hokkien ethnic group.