Cognomen R. K (R. K 
) , all over the world, is a very rare family name. The cognomen R. K is characteristic of Southern Asia, particularly India, where it is an extremely rare surname. More frequently, R. K is the forename as well as the last name.
Rk, Jones, Tower, Verma, Yadav, Mishra, Sharma, Knight, Pandey, Ranjan, Green, Thakur, Tiwari, Harris, Hughes, Simonds, Chauhan, Butcher, Hillyer, Harrison, Fountain, Thomas, Choudhary, Gupta, Patel, Ram, Raj, Roy, Jat, . A, Sahu, Shah, Sufi, Soni, Dubey, Bhai, Garg, Jain, Ford, Meena, Sahoo, Singh, Smith, Brown, Kumar, Khan, and Bickerstaffe