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

[2] Before the merger, Neudorf had a total area of 12.8 km2 (4.9 sq mi).

Of the rest of the land, 5.4% is settled (buildings or roads) and the remainder (0.5%) is non-productive (rivers, glaciers or mountains).

Of the agricultural land, 57.6% is used for farming or pastures, while 3.04% is used for orchards or vine crops.

Of the settled areas, 2.42% is covered with buildings, 0.08% is industrial, 0.08% is classed as special developments, 0.23% is parks or greenbelts and 2.57% is transportation infrastructure.

Most of the population (as of 2000[update]) speaks German (94.9%), while Albanian is second most common (2.1%) and Spanish is third (0.6%).

In the 2000 census[update] the religious membership of Neudorf was; 851 (80.4%) were Roman Catholic, and 103 (9.7%) were Protestant, with an additional 5 (0.47%) that were of some other Christian faith.