Last name Kolsu (Kolsu 
) , throughout the world, is a rare cognomen. The family name Kolsu is habitual in India, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. Much less frequently, Kolsu is the forename as well as the last name.
Siva, Krishnarao, Edukondalu, Venkayamma, Kanakadurga, Nancharamma, Vaddikasulu, Seetaramaiah, Sesharathnam, Srinivasarao, Aadinarayana, Koteshvaramma, Koteswararao, Dhanalakshmi, Nagaswararao, Nageswaramma, Venkateswara, Sambashivarao, Sathyanarayan, Venkateshwara, Venkateshvara, Satyannarayana, Bangaramma, Naraayana, Jamalaiah, Danalaxmi, Ramu, Naga, Subba, Sujata, Kasulu, Audaiah, Bholaxmi, Ramarao, Rambabu, Lakshmi, Venkatalakshmi, Venkata, Subbarao, Anagamma, Kondaiah, Rangamma, Rattamma, Nagaraju, Nagamani, Srinivasa, Brahmaiah, Pothuraju, Shivamma, and Venkateshwarrao