Surname Rikku (Rikku 
) , all over the world, is a very rare last name. The last name Rikku is characteristic of Nigeria, where it is an extremely rare surname, India, and the United States. Much more prevalently, Rikku is the forename as well as the last name.
Ng, Mohan, Singh, Kumar, Jacob, Verma, Yadav, Mathew, Mishra, Sharma, Antony, Craven, Kurian, Kumari, Thomas, Narula, Abraham, Asikura, Cherian, Kashyap, Shrestha, Raimondi, Mahto, Varghese, John, Luke, Sam, Sah, Bai, Pal, Ram, Raj, Ray, Roy, Red, Lor, Yan, Muni, Saju, Soni, Chan, Babu, Bhai, Khan, Rock, Devi, Lamm, Jain, and Ó'Donnchü