Cognomen Vilsan (Vilsan 
) , throughout the world, is quite a rare family name. The surname Vilsan is characteristic of Romania, where it is quite a rare surname, Honduras, where it is a rare surname, and Nicaragua. In absolute terms, the name is most common in India, Romania, and Honduras. More frequently, Vilsan is the forename as well as the last name.
Pal, Disoj, Gupta, Lakra, Lugun, Josaf, Topno, Nadar, Mathew, Mathyu, Kamble, Parera, Pillai, Dasari, Dsouza, Garcia, George, Joseph, Thomas, Marandi, Francis, Varghese, Dayas, Fernandis, Pinto, Kujur, Das, Masi, Babu, Paul, Devi, Dais, Lobo, Jose, John, Jojo, Ekka, Horo, Maisi, Masih, Murmu, Salve, Singh, Surin, Souza, Swami, Kumar, Peter, and Pharnandis