Anna Constantia von Brockdorff (17 October 1680 – 31 March 1765), later the Countess of Cosel, was a German lady-in-waiting and noblewoman, and mistress of Augustus the Strong, King of Poland and Elector of Saxony, in 1706–1713.

(Greek: Κωνσταντία; after 293 – c. 330) a Roman empress as the wife of Licinius.

the oldest wine estate in South Africa and provincial heritage site in the suburb of Constantia in Cape Town, South Africa.