KO

Kaitlin Olson

Kelly Osbourne

Kevin Owens

Karen O

Kenny Ortega

Kevin Oh

Kevin Olusola

Koffi Olomide

Kardinal Offishall

Kyle Okposo

Karen Olivo

Kerstin Ott

Karan Oberoi

Ken Oosterbroek

Kastro (Outlawz)

K-os

Kevin Ollie

Ken Olandt

Kazuyuki Okitsu

Karim Ouellet

Kouji Okada

Ken Owen

Karim Onisiwo

Kate Osamor

Kassim Ouma

Kenichi Ogawa

Kirsten Oswald

Kimberly Ovitz

Karl Oyston

Kevyn Orr

Keishi Ōtomo

Kristin Otto

Kev Orkian

Klæmint Olsen

Ken Oberkfell

Kazuaki Okazaki

Kahinda Otafiire

Kevin Orie

Kenneth Okolie

Kevin Ogle