Ülkü

Ülkü (literally: "ideal") is a Turkish surname and a unisex given name. People with the name include:

Given name

 * Ülkü Adatepe (1932–2012), youngest adopted daughter of Mustafa Kemal Atatürk
 * Ülkü Azrak (1933–2020), Turkish lawyer
 * Ülkü Tamer (1937-2018), Turkish poet
 * Ülkü Uludoğan (born 1940), Turkish artist

Surname

 * Mehmet Ülkü (1877–1946), Turkish businessman and politician
 * Semra Ülkü, Turkish educator