Catherine Kotromanić Babonić (Serbo-Croatian: Katarina Kotromanić) (? – after 1310) was Princess of Bosnia and Baness of Slavonia by marriage.

Catherine was child of Prijezda I Kotromanić and his wife Elizabeth of Slavonia.^[1] Her brothers were Vuk, Prijezda and Stephen. Catherine was married to Stpehen III Babonić. They had two sons:

• Ladislav (fl. 1293)
• Stephen V (fl. 1293)

Catherine and her husband were given Zemunik Fortress in Vrbas area by Prijezda I in spring 1287. Catherine was Baness of Slavonia from 1310 to 1316.^[2]