Ankara Atatürk High School (Turkish: Ankara Atatürk Lisesi), is an Anatolian High School located near Sıhhiye district of Çankaya, Ankara.

Ankara Atatürk Lisesi was first established in 1886 as Ankara İdadisi. The school changed its name several times throughout its history: it was known as Ankara İdadisi (1886–1908), Ankara Sultanisi (1908–24), Ankara Erkek Lisesi (1924–38), and Ankara Atatürk Lisesi (1938–present). It is also known by the name "Taş Mektep".

The school was rebuilt in 1937–38 by the German architects Bruno Taut and Franz Hillinger.

The high school selects its students with the High School Entry System(LGS).

The high school is considered by the local press as an alma mater of Turkish leaders.

Among its alumni are:

• Sinan Çetin (film director and producer)
• Can Dündar (journalist)
• Altan Öymen, Hikmet Çetin (politicians)
• Orhan Veli, Can Yücel (poets)
• Aydın Sayılı, Gazi Yaşargil, İlber Ortaylı, Korkut Yaltkaya (academicians)

There are two alumni organizations established for Ankara Atatürk High School:

• Ankara Atatürk High School Alumni Association
• Ankara Atatürk Lisesi Education Foundation

• Official website