Etfal Hospital Clock Tower, or Children's Hospital Clock Tower (Turkish: Etfal Hastanesi Saat Kulesi), is a clock tower situated in the garden of the Hamidiye Etfal Hospital (now Şişli Etfal Hospital) in the Şişli district of Istanbul, Turkey at the European side of Bosphorus. It was ordered by the Ottoman sultan Abdülhamid II (reigned 1876–1909) and constructed by the architect Mehmet Şükrü Bey.

Etfal Hospital Clock Tower
Etfal Hastanesi Saat Kulesi
General information
Type	Clock tower
Architectural style	Ottoman architecture
Location	Istanbul, Turkey
Address	Şişli Etfal Hospital
Coordinates	41°03′28.44″N 28°59′24.00″E / 41.0579000°N 28.9900000°E / 41.0579000; 28.9900000
Height	20 m (66 ft)
Design and construction
Architect(s)	Mehmet Şükrü Bey

The 20 m (66 ft) tall structure is made of marble and fine Hereke stone. On the front face, the tughra of Sultan Abdülhamid II is put on.