PTT, an abbreviation for Posta ve Telgraf Teşkilatı, is the national post and telegraph directorate of Turkey. Formerly, the organization was named Posta Telgraf Telefon. After the privatization of the telephone telecommunications service business, the directorate was renamed, keeping its acronym. It is headquartered in Ankara, and is known as Turkish Post internationally.

Türk Telekom is a state-owned Turkish telecommunications company. Türk Telekom was separated from Turkish Post (PTT) in 1995.