Last name Jónatan (Jónatan 
) , in all the world, is an extremely rare surname. The last name Jónatan is characteristic of Latin America and the Caribbean, particularly Argentina, where it is an extremely rare surname. Much more frequently, Jónatan is the forename as well as the last name.
Dios, Hróbjartsson, Vicente, Örlygsson, Sveinsson, Prospero, Gallardo, Hurbath, Einarsson, Pétursson, Halldórsson, Friðriksson, Rodríguez, Guillamón, Jónatansson, Martínez, Hurtado, Núñez, Jónsson, Lara, Fusi, Araya, Cerpa, Bueno, Rubio, Gelde, Ortiz, Muñoz, Dolcet, López, Vélez, Cardona, Ramirez, Da-Conceicao, Castroviejo, and Vilhjálmsson