Last name Yaroslaw (Yaroslaw 
) , in the world, is a very rare cognomen. The cognomen Yaroslaw is characteristic of Spain, where it is a very rare surname, the United Kingdom, and Venezuela. More prevalently, Yaroslaw is the forename as well as the last name.
Suchy, Tkaczuk, Horilczenko, Vasilik, Vasylyk, Ignatov, Sperkacz, Kutynsky, Kryvenki, Potapowicz, Novickiy, Nykorczuk, Ilyushin, Mlynarsky, Shkambara, Stawnychy, Kozlowski, Pavlovetz, Holowatyj, Stankevich, Dobriansky, Twardowsky, Tchipka, Marcinkowski, Luschak, Levycky, Batik, Borys, Boyko, Bulyk, Koval, Isaev, Zajac, Melnyk, Mekhed, Bagriy, Boulyk, Dafflon, Diakun, Foltyn, Zuarich, Maszera, Myshchuk, Mykietow, Bazaliy, Brenycz, Danchak, Lewycky, and Poltoratskyy