Sigel is an unincorporated community in Eldred Township, Jefferson County, Pennsylvania, United States.

[1] The community is located at the intersection of Pennsylvania Route 36 and Pennsylvania Route 949, 8 miles (13 km) north of Brookville.

Sigel has a post office with ZIP code 15860, which opened on May 26, 1862.

[2][3] Sigel was originally called Haggerty, and under the latter name was laid out in 1850 by Judah P.

[4] In 1865, it was renamed after German-American Civil War major general Franz Sigel.