火炭 （英文：Fo Tan）位于香港沙田区，是沙田新市镇的主要工业区。然而，于港铁东铁线上的何东楼，也有大型私人住宅。另外，香港体育学院、沙田马场以及彭福公园位于火炭东面。

火炭位处沙田市中心以北，香港中文大学以南，城门河以西，草山以东。

Fo Tan (Chinese:火炭) is an area of Sha Tin District, Hong Kong. It was developed as a light industrial area, but this activity has declined markedly in recent years. There are residential areas to the east, alongside the MTR line, and in the foothills to the west.