| Type: | Elected |
| Yau Oi South | |
| Nativename: | 友愛南 |
| Year: | 1994 |
| Parl Name: | Tuen Mun District Council |
| Member: | Lam Kin-cheung (Labour) |
| Map1: | YauOiSouth |
| Map Entity: | Tuen Mun District |
| Map Size: | 250px |
| Region Label: | Legislative Council constituency |
| Region: | New Territories North West |
| District: | Tuen Mun |
| Elects Howmany: | One |
| Population: | 15,078 (2019)[1] |
| Electorate: | 9,194 (2019)[2] |
Yau Oi South is one of the 31 constituencies in the Tuen Mun District.
Created for the 1994 District Board elections, the constituency returns one district councillor to the Tuen Mun District Council, with an election every four years.
Yau Oi South loosely covers areas surrounding the southern part of Yau Oi Estate in Tuen Mun with an estimated population of 15,078.
| Election | Member | Party | |
|---|---|---|---|
| 1994 | Chiang Yuet-lan | Democratic | |
| 2011 | Tsang Hin-hong | DAB | |
| 2019 | Lam Kin-cheung→Vacant | Labour | |