Celebrities age 55
55

Caitríona O'Leary

artist  
55

Simone Oldenburg

politician  
55

Cosmin Olăroiu

footballer  
55

Lajos Oláh

politician  
55

Helena Ólafsdóttir

footballer  
55

Bryndís Ólafsdóttir

swimmer  
55

Csaba Ökrös

player  
55

Kennedy Mong'are Okong'o

Politician  
55

Branko Okić

footballer  
55

Kenneth O'Keefe

activist  
55

Hector Ó hEochagáin

television  
55

Mike O'Hearn

actor  
55

Christine O'Hearn

 
55

Turlough O'Hare

swimmer  
55

Etsushi Ogawa

manga artist  
55

Tadashi Ogasahara

manager  
55

Morten Øen

poet  
55

Ferdinand Odžakov

politician  
55

John O'Donoghue (1990s pitcher)

player  
55

Christine O'Donnell

politician  
55

Rebecca Odes

musician  
55

Tor Øivind Ødegård

 
55

Yūsei Oda

voice actor  
55

Tony O'Connor (rower)

rower  
55

Roberto Occhiuto

politician  
55

Ed O'Callaghan

lawyer  
55

David O'Byrne

politician  
55

Martin Obšitník

footballer  
55

William O'Brien (Rhode Island politician)

Member  
55

Siobhán O'Brien

singer-songwriter