Yim Tso Ha (Chinese: 鹽灶下) is an area and a village in Sha Tau Kok, North District, Hong Kong.

For electoral purposes, Yim Tso Ha is part of the Sha Ta constituency, which is currently represented by Ko Wai-kei.

In the past, Yim Tso Ha was the site of an egretry, with the earliest records dating back to 1958.

The Yim Tso Ha egretry was the first Site of Special Scientific Interest (SSSI) in Hong Kong, listed in 1975.

[7] Having been abandoned for a long period of time, the Yim Tso Ha Egretry SSSI was de-listed in March 2016.