The Aalstermolen (English: Aalster Mill) is a windmill located on the Raadhuisstraat 28A in Aalst, Waalre, in the province of North Brabant, Netherlands.

Built in 1904 on an artificial hill, the windmill functioned as gristmill.

[1] The mill has been a national monument (nr 38186) since 15 May 1968.

[2] Built in 1904, the mill was originally in private ownership until being sold to an investment company in 1934.

Shortly after it went out of use as a gristmill and the mill came into disrepair.