Gladbach may refer to:

• the former name of Mönchengladbach, a city in North Rhine-Westphalia, Germany
  • Borussia Mönchengladbach, a football club in Mönchengladbach
• the former name of Bergisch Gladbach, a city in North Rhine-Westphalia, Germany
• Gladbach, Rhineland-Palatinate, a municipality in the district Bernkastel-Wittlich, Rhineland-Palatinate, Germany
• Gladbach, a suburban administrative district of Neuwied, Rhineland-Palatinate, Germany
• Gladbach (Niers), a river of North Rhine-Westphalia, Germany
• Gladbach Formation, a geologic formation in Germany