Hailfingen is a suburban district of Rottenburg am Neckar in the administrative district of Tübingen in Baden-Württemberg (Germany).

Hailfingen is located 9 km (5.6 mi) northwestern from Rottenburg am Neckar and 9 km southern from Herrenberg.

The territories of the following villages adjoin to Hailfingen, they are called clockwise beginning in the north: Tailfingen, Reusten, Oberndorf, Seebronn and Bondorf.

The villages Oberndorf and Seebronn are also suburbs of Rottenburg.

At an area of 7.51 km² (2.9 sq mi) this corresponds to a population density of 211 people per km², or 545 per sq mi.