Pieris krueperi, the Krueper's small white, is a butterfly in the family Pieridae.

[2] The habitat consists arid areas with scanty vegetation up to 2,500 metres (8,200 ft) in the mountains.

(20b) occurs in Greece, Asia Minor, Persia and other districts of Western Asia.This species differs from its allies in possessing on the forewing a black subapical costal spot and several, well separated, black distal marginal ones.

In the summer-form, which is name-typical, the underside is white with yellowish margins, while in the spring-form, vernalis Stgr.

[now species Pieris mahometana (Grum-Grshimailo, 1888) (northeastern Afghanistan and Pamirs)], is above margined with black and beneath much darker.