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

[1] Pfeffikon is first mentioned in 1045 as Faffinchouen though this comes from a 14th Century copy of the original document.

Of the agricultural land, 35.22% is used for farming or pastures, while 3.64% is used for orchards or vine crops.

Of the settled areas, 6.88% is covered with buildings, 0.81% is industrial, and 2.43% is transportation infrastructure.

The former municipality is located on the western slope of the Stierenberg in the upper Wynental and borders the Canton of Aargau on the north, east and south.

Most of the population (as of 2000[update]) speaks German (91.3%), with Albanian being second most common ( 2.9%) and Italian being third ( 1.7%).

In the 2000 census[update] the religious membership of Pfeffikon was; 381 (55.5%) were Roman Catholic, and 198 (28.9%) were Protestant, with an additional 4 (0.58%) that were of some other Christian faith.