Peter Ng may refer to:
Peter Huang (黃文雄, born 1937), Taiwanese activist for democratization and human rights Peter B. K. Ng (Peter B. K. Ng, born 1947), horse trainer in Hong Kong Peter Ng (tong member), member of the Joe Boys and perpetrator of the Golden Dragon massacre in San Francisco Chinatown Peter Kee Lin Ng, marine biologist at NUS Peter Ng Kok Song (born 1948), Singaporean investor and presidential candidate in the 2023 Singaporean presidential election