Yıldız Clock Tower (Turkish: Yıldız Saat Kulesi),^[1] is a clock tower situated next to the courtyard of the Yıldız Hamidiye Mosque, in Yıldız neighborhood of Beşiktaş district in Istanbul, Turkey at the European side of Bosphorus.

The tower was ordered by the Ottoman Sultan Abdülhamid II (1842–1918) in 1889, and the construction completed in 1890.

The three-story structure in Ottoman and neo-Gothic style has an octagonal plan. Outside the first floor, there are four inscriptions, the second floor contains a thermometer and a barometer, and the top floor is the clock room. The clock was repaired in 1993. Atop the decorative roof, a compass rose is found.

• Yıldız Palace
• Yıldız Hamidiye Mosque
• List of columns and towers in Istanbul
• Dolmabahçe Clock Tower
• Etfal Hospital Clock Tower
• İzmir Clock Tower
• İzmit Clock Tower

• Metropolitan Municipality of Istanbul
• Istanbul’s castles, towers and columns

41°02′59″N 29°00′35″E / 41.0498°N 29.0098°E / 41.0498; 29.0098