Gabaldon is a surname. Notable people with the surname include:
Argimiro Gabaldon, poet and former Venezuelan revolutionary of FALNArnoldo Gabaldon, Venezuelan sanitaristArnoldo Gabaldon Berti, Venezuelan engineer, first Environment minister of Latin AmericaDiana Gabaldon, author of works including the "Outlander" and "Lord John" seriesGuy Gabaldon, U.S. Marine, "Pied Piper of Saipan"Isauro Gabaldon, Resident Commissioner from the Philippine IslandsJoaquín Gabaldón Márquez, Venezuelan writer and polititianJosé Rafael Gabaldón, Venezuelan andean caudilloPaca Gabaldón, Spanish actress.Tony Gabaldon, former Arizona state senator