Question: is ng a vietnamese last name?
Answer: Ng is sometimes romanized as Woo or Wu even by people of Cantonese origin, such as John Woo. In Vietnam, the corresponding surname is Ngô. In Cambodia, the corresponding surname is Oeng. 吴 / 吳 (Wú) was the 10th most common Chinese surname in 2006 and was the 8th most common in 1990.