Sülz (Template:Lang-de) is a municipal part of Cologne, Germany and part of the district of Lindenthal. Sülz lies on Luxemburger Straße between Lindenthal and Klettenberg. Sülz has 35.475 inhabitants (as of 31 December 2008) and covers an area of 5,17 km² (pop. density 6.862 inhab./km²).
The name Sülz goes back to Sulpece, first mentioned in 1145 as a possession of the Church of St. Pantaleon. The 12th century Weißhaus (white house) is a water castle and the oldest building in Sülz. The district is served by Cologne Stadtbahn lines 9, 13 and 18.