KKR

KKR may refer to:

• Kohlberg Kravis Roberts, a global investment firm
• Kolkata Knight Riders, an Indian Premier League franchise
• Rheinsberg Nuclear Power Plant ({{langx|de|Kernkraftwerk Rheinsberg|link=no}}), first nuclear power plant in the former East Germany
• Kalkara, Malta, postal code KKR
• Kir-Balar language, an Afro-Asiatic language
• Korringa–Kohn–Rostoker method, a method used in electronic band structure calculations