Theodora Syrgiannaina
Theodora Syrgiannaina (c. 1305–1347 or 1349) was a Byzantine noblewoman of the Syrgiannes family who became queen consort of Armenian Cilicia. In 1330–1332 she married Guy de Lusignan, Byzantine governor of Serres, as his second wife.
Elected king of Cilician Armenia in 1342 as Constantine II, her husband was killed in a baronial uprising in April 1344. Their daughter Isabella of Lusignan later married Manuel Kantakouzenos, Despot of the Morea. Theodora died in Constantinople in 1347 or 1349.