Helena Doukaina Angelina (Greek: Ἑλένη Δούκαινα Άγγελίνα, Helene Doukaina Angelina; Serbian: Jelena Duka Anđel) was a Greek noblewoman of Thessaly and Queen-consort of medieval Serbia.
Her parents were John I Doukas of Thessaly and his wife Hypomone (a daughter of the Thessalian Vlach chieftain Taronas).
1273/76, Helena married Serbian king Stefan Milutin (r. 1282–1321), but Milutin abandoned her in ca.
[3] It is possible that their sons were Kings Stefan Konstantin and Stefan Dečanski.
It seems Helena then returned to Greece.