Sun Chui Estate () is a public housing estate in Tai Wai, New Territories, Hong Kong near Lung Hang Estate, San Tin Village, The Wai, Che Kung Temple and MTR Tai Wai station. It consists of eight residential buildings completed in 1983, 1984 and 1985 respectively.
The estate was formerly known as Sun Tin Estate. However, in November 1981, it was renamed as Sun Chui Estate.
According to the 2021 by-census, Sun Chui Estate had a population of 17,081. The median age was 53.0 and the majority of residents (97.6 percent) were of Chinese ethnicity. The average household size was 2.6 people. The median monthly household income of all households (i.e. including both economically active and inactive households) was HK$16,990.
For the 2019 District Council election, the estate fell within two constituencies. Most of the estate is located in the Chui Ka constituency, which is represented by Li Sai-hung, while the remainder of the estate falls within the Chui Tin constituency, which is represented by Rick Hui Yui-yu.