Çeltikçi is a neighbourhood in the municipality and district of Kızılcahamam, in Ankara Province, Turkey. It lies to the south of the Çamlıdere Dam reservoir and to the south-west of Kızılcahamam. Its population was recorded as 291 in 2022. Before the 2013 reorganisation of local government in Turkey, it held the status of a town (belde).
The earliest references to Çeltikçi date to 1691, when the Ottoman government forced a small Turkmen tribe to settle there. Over time, other groups were also settled in the village, including Circassians from the Caucasus, Turks from Veliko Tarnovo, and Circassians and Tatars from Dobruja.