Sanam Khli (Thai: สนามคลี) is a sub-district (tambon) in the Bang Krathum District of Phitsanulok Province (amphoe), Thailand.

Sanam Khli borders Khok Salut to the north, Bang Krathum to the east, and Phichit Province to the south and west.

Most of Sanam Khli lies within the Nan Basin, although a narrow strip of land on the west side of the sub-district lies within the Yom Basin.

The sub-district is divided into six smaller divisions called (mubans).

Sanam Khli is administered by a tambon administrative organization (TAO).