KKR
KKR may refer to:
- Kohlberg Kravis Roberts, a global investment firm
- Kolkata Knight Riders, an Indian Premier League franchise
- Rheinsberg Nuclear Power Plant (Template:Langx), 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