Neuss is a Kreis (district) in the west of North Rhine-Westphalia, Germany.

In 1816 the districts Grevenbroich and Neuss were created when the whole area became part of Prussia.

In 1975 the urban district of Neuss lost its independent status and was merged into the Grevenbroich district, which was renamed to Kreis Neuss to represent the new administrative seat.

In the southern part of the district are big open pit Lignite (brown coal) mines.

Both the bishops of Cologne as well as the dukes of Jülich owned land of the Neuss district.