Doamna Elena Ecaterina Rareş (Serbian Cyrillic: Јелена Бранковић; died 1553) was the daughter of Serbian Despot Jovan Branković and a princess consort of Moldavia by marriage to Peter IV Rareș. She was regent in Moldavia in 1551–1553 on the behalf of her son Ştefan VI Rareş.