Helena of Bulgaria (disambiguation)

Helena, Helen, Elena or Jelena of Bulgaria (Елена; Јелена) may refer to:


 * Helena, Empress of Bulgaria, second wife of Bulgarian Emperor Ivan Asen I (d. 1196)
 * Helena Asenina of Bulgaria, Empress consort of Byzantium; Theodore II Laskaris (1254–1258)
 * Helena of Bulgaria, Empress of Serbia, Empress consort of Serbia; Stefan Uroš IV Dušan (1331–1355)