Obretenov

Obretenov is a surname.

A family of Bulgarian revolutionaries bear this name:
 * Tonka Obretenova (1812–1893) Wife of Niho.
 * Tiho Obretenov
 * Nikola Obretenov (1849–1939) Son of Tiho and Tonka.
 * Georgi Obretenov (after 1849–1876) Son of Tiho and Tonka.
 * Angel Obretenov (1837–1894) Son of Tiho and Tonka.
 * Petar Obretenov Son of Tiho and Tonka.
 * Anastasiya Stoyanov Daughter of Tiho and Tonka.