Ban Noi Sum Khilek (Thai: บ้านน้อยซุ้มขี้เหล็ก) is a subdistrict in the Noen Maprang District of Phitsanulok Province, Thailand.

The subdistrict lies in the Nan Basin, which is part of the Chao Phraya Watershed.

The following is a list of the subdistrict's mubans, which roughly correspond to villages:[1]

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