عثمان الثاني
Gevherhan Sultan (; born 1607 – died after 1655) was an Ottoman princess, daughter of Sultan Ahmed I (reign 1603–17) and Kösem Sultan, half-sister of Sultan Osman II (reign 1618–22), and sister of Sultans Murad IV (1623–40) and Ibrahim (reign 1640–48) of the Ottoman Empire.