Cheung On Estate (Chinese: 長安邨) is a public housing estate in Tsing Yi Island, New Territories, Hong Kong built on reclaimed land in Tsing Yi North near Tsing Yi Northeast Park and MTR Tsing Yi station.

[3][4] It consists of ten residential blocks completed between 1987 and 1989.

The median age was 48.4 and the majority of residents (96.1 per cent) were of Chinese ethnicity.

[1] For the 2019 District Council election, the estate fell within two constituencies.

Most of the estate is located in the Cheung On constituency, which was formerly represented by Cheung Man-lung until July 2021,[6] while the remainder of the estate falls within the On Ho constituency, which was formerly represented by Warren Tam Ka-chun until July 2021.