en.wiktionary.orgEsper - Wiktionary, the free dictionary Contents From Wiktionary, the free dictionary Esper (plural Espers) A surname. According to the 2010 United States Census, Esper is the 21272nd most common surname in the United States, belonging to 1232 individuals. Esper is most common among White (82.55%) individuals. prees, peers, Reeps, spere, Prees, Peres, pères, Perse, speer, Spree, spree, Peers, per se, Serpe, perse