Technical University of Kaiserslautern was a public research university in Kaiserslautern, Germany. On January 1, 2023, the university was merged with the Landau campus of the University of Koblenz-Landau into the University of Kaiserslautern-Landau, or Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau in German.