Cognomen Ričardas (Ričardas 
, Ричардас 
) , throughout the world, is a very rare last name. The last name Ričardas is habitual in Lithuania, where it is a rare surname, and Belarus, where it is a very rare surname. Much more prevalently, Ričardas is the forename as well as the last name.
Ažna, Jaksebaga, Jonaitis, Visockis, Žigalka, Meškauskas, Sartatavičius, Pacauskas, Petraitis, Šliaužys, Bistrickas, Kazlauskas, Kliminskas, Paulauskas, Petrauskas, Rutkauskas, Daunoravičius, Malinauskas, Sakalauskas, Kalinauskas, Petkevičius, Ramanauskas, Lieponis, Ramoška, Puidokas, Kiškėnas, Brokas, Brogys, Butkus, Bitovtas, Pocius, Rimkus, Deezer, Gečas, Norkus, Ulozas, Sinkevičius, Žalys, Marozas, Mažrimas, Kukevičius, Klainauskas, Dajoras, Šulcas, Morkvėnas, Bagdonas, Kasianenko, Kubilius, Čėsna, and Vasiliauskis