The Astronomy Tower of the Sorbonne is a tower at the Sorbonne University's Paris campus built to house an astronomical observatory for its students.

[1] The tower is 39 meters high, has an upper and lower dome, and includes several rooms.

The upper dome houses the telescope, and the lower dome contains an optics workshop for amateurs to make mirrors (previously, a meridian circle was installed in that space).

The tower is operated by the Société astronomique de France and is available for tours and amateur observations.

The telescope is owned by the Société astronomique de France.