Dolgo Polje (; ) is a district () of the City Municipality of Celje and a neighborhood of the city of Celje in central-eastern Slovenia.
Dolgo Polje lies at an elevation of approximately , near the Savinja River and its tributaries, including the Hudinja, Loà ¾nica, and Voglajna rivers.
Dolgo Polje was known as Langefeld in German. Both the Slovene and German names mean 'long field'. It was originally an agricultural area divided into selions.