Stratonice of Cappadocia

Stratonice (; fl. 3rd century BC) was a princess of the Seleucid Empire. She was one of the daughters born to the Seleucid Monarchs Antiochus II Theos and Laodice I. Among her brothers was the Seleucid King Seleucus II Callinicus and prince Antiochus Hierax.

In c. 257 BC, Antiochus II Theos arranged for Stratonice to marry Ariarathes III.

Through her marriage to Ariarathes III, Stratonice became the first Queen of Cappadocia. Stratonice and Ariarathes III, had a son called Ariarathes IV of Cappadocia who later succeeded his father as King of Cappadocia.