Ankara Demirspor is a Turkish professional football club based in Ankara. They compete in the TFF Second League. They were one of the Super League's founding members in 1959. By winning the former Turkish Football Championship in 1947, they became Turkish champions for the first and only time. They played 13 seasons in the Super League and relegated to the Second League in 1971 and never returned to the top division.
Ankara Demirspor is one of the 38 Demirspor clubs in Turkey that are founded by the employees of the Turkish Railways (TCDD), similar to the Lokomotiv sports clubs of Eastern Europe. Most Demirspor clubs have jersey colours identical to Ankara Demirspor, and bear the TCDD symbol on their logo. Ankara Demirspor and Adana Demirspor are the only Demirspor club that compete in the Turkish Professional Football League System, and Ankara Demirspor is the only one that is still affiliated with TCDD.