Helene of Mecklenburg
Helene zu Mecklenburg is the name of the following people:
- Helene zu Mecklenburg (1493–1524), Duchess of Mecklenburg, see Helene von der Pfalz
- Helene zu Mecklenburg (1784–1803), Hereditary Princess of Mecklenburg, see Helena Pawlowna Romanowa
- Helene zu Mecklenburg-Schwerin (1814–1858), Duchess of Orléans and Chartres
- Helene zu Mecklenburg-Strelitz (1857–1936), Princess of Saxony-Altenburg