Niederhasli is a municipality in the district of Dielsdorf in the canton of Zürich in Switzerland.

[3] On 10 January 2000, Crossair Flight 498 crashed in Niederhasli after taking off from Zurich Airport, killing all 10 people on board.

The accident was caused by pilot error which lead to loss of control of the aircraft.

Of the rest of the land, 18.7% is settled (buildings or roads) and the remainder (1.5%) is non-productive (rivers, glaciers or mountains).

[5] The historical population is given in the following table:[3] Niederhasli railway station is a stop of the Zürich S-Bahn on the line S15.