Neuenkirch is a municipality in the district of Sursee in the canton of Lucerne in Switzerland.

Of the rest of the land, 9.2% is settled (buildings or roads) and the remainder (0.1%) is non-productive (rivers, glaciers or mountains).

Of the agricultural land, 67.65% is used for farming or pastures, while 3.49% is used for orchards or vine crops.

Of the settled areas, 3.85% is covered with buildings, 0.47% is industrial, 0.51% is classed as special developments, 0.27% is parks or greenbelts and 4.04% is transportation infrastructure.

[5] The municipality is located on the upper end of Lake Sempach (Sempachersee).

It consists of the village of Neuenkirch and the hamlets of Adelwil, Büezwil, Hälfestäge, Hellbühl, Homel, Lipperüti, Mättiwil, Rippertschwand, Rüeggringe, Trutige and Werlige as well as Schloss Wartensee.

In the 2000 census[update] the religious membership of Neuenkirch was; 4,353 (78.9%) were Roman Catholic, and 507 (9.2%) were Protestant, with an additional 74 (1.34%) that were of some other Christian faith.