Vlahos or Vlachos ( ), feminine: Vlahou, is a Greek surname, meaning Vlach.

The surname Vlahos/Vlachos may refer to:

Alexander Vlahos, Welsh actor, known for playing Mordred on Merlin Eros Vlahos, English actor, known from Game of Thrones Helen Vlachos, Greek journalist and newspaper editor in the 60's, daughter of Georgios Dionisios Vlachos, American Professor of chemical engineering Georgios Vlachos, Greek journalist, creator of Kathimerini, a daily newspaper in Greece Hierotheos Vlachos (born 1945), Greek Orthodox metropolitan and theologian Leesa Vlahos, Australian former politician Michalis Vlachos, Greek footballer Petro Vlahos, American engineer, bluescreen/special effects pioneer Terpsichori Chryssoulaki-Vlachou, Greek WWII resistance member Tony Vlachos, winner of Survivor: Cagayan and Survivor: Winners at War Vangelis Vlachos, Greek footballer William Vlachos, American football player Zachary Vlahos, American Olympic rower

See also Volokh (disambiguation) Wallach (disambiguation)