KKR

KKR may refer to:

• Kohlberg Kravis Roberts, a global investment firm
• Kolkata Knight Riders, an Indian Premier League franchise
• Rheinsberg Nuclear Power Plant (German: Kernkraftwerk Rheinsberg), first nuclear power plant in the former East Germany
• Kir-Balar language, an Afro-Asiatic language
• Korringa–Kohn–Rostoker method, a method used in electronic band structure calculations