Kleinberg may refer to:

• Jon Kleinberg, an American computer scientist
• Kleinburg, Ontario, a small unincorporated village located in Ontario, Canada

• Cerauropeltis
• C'eravamo tanto amati
• C. E. Raven
• Cerazette
• Cerbaiola
• Cerbal
• Cerball
• Cerball mac Dungail
• Cerball mac Dúngail
• Cerball mac Dúngaile
• Cerball mac Muirecain
• Cerbal River
• Cerbalus aravaensis
• Cerbalus Aravensis
• Cerbalus arvensis
• Cerbanasu River
• Cerbat, Arizona
• Cerbat Mountains
• Cerbera floribunda
• Cerbere (disambiguation)
• Cerberolebeda
• Cerberus: A Wolf in the Fold
• Cerberus Capital LLP
• Cerberus class battleship
• Cerberus class breastwork monitor