Celebridades de 66 años
66

Barry O'Sullivan

politician  
66

Anne Osmundson

politician  
66

Edward Ośko

politician  
66

Bogusława Orzechowska

politician  
66

Teresa Ortuño Gurza

politician  
66

Colm O'Rourke

footballer  
66

Don O'Riordan

footballer  
66

Miriam O'Reilly

television  
66

Kate O'Regan

 
66

Mike Opelka

broadcaster  
66

Kevin O'Neill (basketball)

coach  
66

John O'Neill (guitarist)

musician  
66

Jim O'Neill, Baron O'Neill of Gatley

 
66

Harriet O'Neill

Attorney  
66

Alan O'Neill (footballer, born 1957)

footballer  
66

Jiří Ondra

footballer  
66

Bayo Onanuga

Journalist  
66

Mark O'Meara

professional  
66

Kim Olson

officer  
66

Elói de Oliveira

player  
66

Oleksandr Ledyda

 
66

William O'Leary (actor)

Actor  
66

Aisling O'Leary

swimmer  
66

Rozália Ökrész

politician  
66

Richard O'Kelly

footballer  
66

Vince O'Keefe

footballer  
66

Dick O'Hara

 
66

Lee Ohanion

professor  
66

Finn Øglænd

Author  
66

Rossy Ogawa

businessman