Milan was originally a diminutive or nickname for those whose Slavic names began with "Mil-".
It is found in Czech Republic, Slovakia,[1] Serbia, Montenegro, Croatia, Bosnia and Herzegovina, Slovenia, North Macedonia, Bulgaria, Poland, and Hungary.
This is the same root in Serbian names like Miloslav, Milomir, Milica, Milka, Miloš, Milutin, Miodrag, Miomir etc.
[5] Men's versions of the name: Milanek (diminutive), Miladin, Milad, Milanko, Milče, Milček, Milči, Milčo, Milušo, Mile, Milen, Milenko, Miletus, Mili, Milivoj, Milibor, Milidrag, Miligoj, Milija, Milijan, Milinko, Milislav, Milivoj, Milivoje, Milk, Milivojko, Miljan, Miljenko, Miljutin, Milko, Milodrag, Milogoj, Miloje, Milojko, Miloljub, Milomir, Milorad, Miloslav, Miloš, Miłosz, Bogumił, Milovan, Milun, Milutin, Miňo, Mišo Female versions of the name: Milana [sl], Milanka, Milena, Milica, Milijana, Miljanka, Milinka, Milislava, Milivoje, Milivojka, Mila, Miljana, Miljanka, Milka, Milojka, Milodraga, Milomirka, Milorad, Milosav, Milosavka, Miloslavka, Miloška, Milovana, Milovanka, Milunka From the name of Milan and its variants a number of surnames were created.
The most famous are: Milanović, Milanovac, Milanković, Miłosław, Milanić, Milač, Milavec, Miletić, Milić, Miljković, and others.