Seignelay (disambiguation)
# Seignelay (disambiguation)

Seignelay may refer to:

* Seignelay, commune in the Yonne department in Bourgogne-Franche-Comté in north-central France
* Jean-Baptiste Colbert, Marquis de Seignelay (1651–1690), French politician
* Seignelay River, river of the Côte-Nord region of Quebec, Canada
* Seignelay River, former name of the Kankakee River in Illinois, United States
