Sailauf is a municipality in the Aschaffenburg district in the Regierungsbezirk of Lower Franconia (Unterfranken) in Bavaria, Germany.

Moreover, the municipal territory includes 19 small exclaves to the northeast (see map) surrounded by the Sailaufer Forst.

In 1189, the lordly estate of Sigilovf(e), meaning "glistening brook", and out of whose name arose the placename Sailauf, had its first documentary mention.

In the 13th century, Sailauf was for a short time ruled by the Counts of Rieneck, who built the castle Landesere on the nearby Gräfenberg [de].

In 1265, the Archbishop of Mainz, Werner von Eppstein [de] built the hunting lodge castrum vivarium, which was later renamed Weyberhof.

The blue wavy bend sinister stands for the community's location at the forks of the Sailauf and the Steinbach, two local brooks.