Aalst may refer to:
- Aalst, Belgium, a city and municipality in Belgium
- Aalst, Buren, a village in the Netherlands, in the province of Gelderland
- Aalst, North Brabant, a village in the Netherlands, in the province of North-Brabant
- Aalst, Zaltbommel, a village in the Netherlands, in the province of Gelderland
- Aalst (play), by Pol Heyvaert
People with the name
- Everard Aalst (1602–1657), Dutch painter
- Roy van Aalst (born 1983), Dutch politician
- Wil van der Aalst (born 1966), Dutch computer scientist