Theodora Angelina (Greek: Θεοδώρα Αγγελίνα; 1190 – 23 June 1246) was the wife of Leopold VI of Austria, by whom she had several children.

As a child, she was used by her grandfather, Emperor Alexios III Angelos, as a political tool to gain the allegiance of the regional strongmen Ivanko and Dobromir Chrysos.

[2] Still others interpreted the neptis not as granddaughter as in Classical Latin, but as niece, or even great-niece, which was the more common meaning of the word in the Middle Ages.

[15][16] Due to her young age—Choniates describes the bride-to-be as "a child mouthing baby talk"[15]—the marriage, if there ever was one, was never consummated; Theodora remained in Constantinople, while Ivanko rose in revolt in 1199, only to be captured and imprisoned by a ruse.

[17][18] Shortly after, Theodora was used by Alexios III to gain the allegiance of another regional Balkan warlord, Dobromir Chrysos, who in 1201 had risen in revolt along with the disaffected Byzantine general Manuel Kamytzes.