Tai Po Tsai (大埔仔) is an area and a village northeast of Tseung Kwan O New Town in Hong Kong. On the east mid slope of Razor Hill (Che Kwu Shan) and facing Port Shelter, The village clusters in a small plain around Clear Water Bay Road in Sai Kung District. Pak Shui Wun (白水碗) is a beach off Tai Po Tsai is on the shore of Port Shelter. The indigenous Punti (本地) villagers all have the Chinese surname of Wan (溫).
The Hong Kong University of Science and Technology and TVB City are major construction works nearby.
The British Army sited Erskine Barracks adjacent to the village. Among some of the army units stationed there were The Black Watch, The Duke of Edinburgh Royal Regiment and the Royal Cheshire regiments. The Diamond Scouting Jubilee Jamboree (Kohima Camp) (27 Dec 1986-01 Jan 1987) was held on the site that was to become the future home of The Hong Kong University of Science and Technology. Because of its proximity to Shaw Studios and TVB many of their artises rent apartments in the village. Simon Yam Tat-Wah was a long term resident among others. In the 1960s due to its isolation and lack of transport facility, the local villagers set up a primary school for its inhabitants. The school was called Kwong Pui primary school.