This article is about the German district Rhein-Neckar-Kreis. See also the greater Rhine Neckar area in Germany.

Rhein-Neckar-Kreis is a district (Kreis) in the northwest of Baden-Württemberg, Germany. Neighboring districts are Bergstraße, Odenwaldkreis, Neckar-Odenwald, Heilbronn, Karlsruhe, the independent city Speyer, the Rhein-Pfalz-Kreis, and the independent cities Mannheim and Heidelberg.