Sarnau

Sarnau may refer to:


 * Anneke Kim Sarnau (born 1972), German actress
 * Sarnau, a constituent community of Lahntal, Marburg-Biedenkopf, Germany
 * Warburg–Sarnau railway
 * Sarnau, a village in Carmarthenshire, Wales
 * Sarnau railway station in Carmarthenshire, Wales
 * Sarnau, a village in Ceredigion, Wales