Postřelmůvek (German: Klein Heilendorf) is a village and municipality (obec) in Šumperk District in the Olomouc Region of the Czech Republic.
The municipality covers an area of 4.01 square kilometres (1.55 sq mi), and has a population of 339 (as at 28 August 2006).
Postřelmůvek lies approximately 9 kilometres (6 mi) south-west of Šumperk, 47 km (29 mi) north-west of Olomouc, and 176 km (109 mi) east of Prague.