Cognomen Eduardas (Едуард 
, Eduardas 
, Эдуардас 
) , throughout the world, is a rare family name. The surname Eduardas is habitual in Lithuania, where it is a rare surname, Belarus, and Bulgaria. In absolute terms, it is commonest in Eastern Europe, particularly Russia, Poland, and Belarus. Much more prevalently, Eduardas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Едуард | Ukraine, Belarus, Poland, Bulgaria, Russia |
| Eduardas | United Kingdom, Brazil, Spain, United States, Lithuania |
| Эдуардас | Kazakhstan, Belarus, Russia, Lithuania |
| Едуардас | Ukraine, Russia |
Doard, Duarte, Ed, Eddy, Edoardo, Edoeard, Edouard, Eduard, Eduardo, Eduardos, Eduards, Eduardus, Eduart, Edvard, Edvárd, Edward, Eetu, Eide, Iorwerth, Odoardo, Édouard, Дуарте, Ед, Едвард, Едвардас, Едварт, Еди, Едоардо, Едуар, Едуардо, Едуардус, Ету, Эд, Эдвард, Эдди, Эдоардо, Эдуар, Эдуард, Эдуарда, Эдуардо, Эдуардс, Эдуарду, Эдуарт, Эйде, אד, אדוארד, דוארטה, إد, إدوارد, إدواردو, إيدي, ادوارد, এডি, ედუარდი, エディ, エド, エドアルド, エドワード, 埃德, 埃迪, 愛德華, 艾德, and 艾迪
Ius, Placenis, Gorodkov, Grigonis, Narkunas, Valaitis, Visockas, Olsauskas, Manylovas, Antonenko, Kriginas, Radziukas, Jeriomenko, Fedotovas, Shishmanian, Baltmiskis, Lietuvnikas, Jakovlevas, Jurevicius, Vaigauskas, Simonovicius, Lomakinas, Kripavicius, Blinovas, Balvocius, Eiza, Vala, Silva, Putka, Zukas, Meilus, Alimas, Kakura, Gaulia, Sutovas, Spiriajevas, Baranas, Bareika, Pruckus, Rauktys, Gabalas, Vasinas, Zaboras, Urbonas, Šriupša, Sarkisjan, Kubilinskas, and Lukosevicius