Hwa Chong Institution (HCI) is an independent secondary educational institution in Bukit Timah, Central Region, Singapore. It was established in 2005 by the merger of The Chinese High School (1919–2004) and Hwa Chong Junior College (1974–2005).

Bukit Timah, often abbreviated as Bt Timah, is a planning area and residential estate located in the westernmost part of the Central Region of Singapore. Bukit Timah lies roughly 10 kilometres (6.2 mi) from the Central Business District, bordering the Central Water Catchment to the north, Bukit Panjang to the northwest, Queenstown to the south, Tanglin to the southeast, Clementi to the southwest, Novena to the east and Bukit Batok to the west.