Yat Chak (Chinese: 逸澤) is one of the 39 constituencies in the Yuen Long District of Hong Kong. The constituency returns one district councillor to the Yuen Long District Council, with an election every four years.
Yat Chak constituency is loosely based on Tin Chak Estate and part of Tin Yat Estate in Tin Shui Wai with estimated population of 20,392.[3]