Lilaste can refer to:
- Lilaste , a river in Ādaži Municipality and Saulkrasti Municipality, Latvia
- Lilaste, a village in Carnikava Parish, Ādaži Municipality
- Lilaste , a village in Saulkrasti Parish, Saulkrasti Municipality
- Lilaste Station, a railway station near Lilaste in Ādaži Municipality
- Lilaste , a lake in Latvia