Phai Lom (Thai: ไผ่ล้อม) is a subdistrict (tambon) in the Bang Krathum District of Phitsanulok Province, Thailand.

Phai Lom borders Nakhon Pa Mak to the north, Noen Kum to the east, Phichit Province to the south, and Bang Krathum to the west.

Phai Lom lies in the Nan Basin, which is part of the Chao Phraya Watershed.

The subdistrict is divided into 11 smaller divisions called (muban), which roughly correspond to the villages in Phai Lom.

Phai Lom is administered by a Tambon administrative organization (TAO).