Last name ติวงศ์ (Tiwong 
, ติวงศ์ , Tisawong ) , worldwide, is a rare surname. The cognomen ติวงศ์ is characteristic of Thailand, where it is a rare surname, Australia, where it is a very rare surname, and Indonesia. Measured by absolute frequency, this name is the most popular in South-eastern Asia, particularly Thailand, Indonesia, and Philippines.