Family name Frantsi (Frantsi 
) , in all the world, is a rare cognomen. The family name Frantsi is characteristic of Lesotho, where it is quite a rare surname, Finland, and Bulgaria, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in Lesotho, Finland, and the United States.
Mr, Trish, Henri, Helmi, Ville, Martin, Samuli, Angela, Päivi, Robert, Leanne, Jaakko, Jeremy, Tapani, Teboho, Ernest, Emilia, Molibeli, Carolyn, Jessica, Hannele, Heather, Teemu, Terry, Tarja, Jaana, Ms, Ari, Amy, Kim, Ida, Saku, Jari, John, Essi, Erik, William, Mikko, Susan, Sofia, Antti, Batho, Karen, Kirsi, Roosa, David, Lauri, Jason, Sarah, and Jari-Pekka