Julien Candelon

Julio Aguilar

Paraguayan footballer

Asante Samuel, Jr.

American football cornerback

Jiří Havránek

Member of the Chamber of Deputies of Czech Republic

Julius Akosah

Footballer

Junki Kano

Japanese basketball player

Juraj Halenár

Football forward

Jure Jerbić

Croatian football player

Jurij Rovan

Olympic athlete

Juris Šics

Latvian luger

Justin Davidovicz

American football player

Justin Goodwin

American football running back

Juuso Riksman

Finnish ice hockey player

Kacper Ziemiński

Polish olympic athlete

Kalle Jellvert

Swedish ice hockey player

Kane Russell

New Zealand olympic athlete

Kane Lucas

Australian rules footballer

Kara Kohler

American rower

Kauri Koiv

Estonian biathlete

Jesús Olmo

Spanish footballer

KeSean Carter

American football player

Keith Duncan

American football player

Keith Oddo

Basketball player

Ken'ichi Wakabayashi

Japanese baseball player

Kengo Horiuchi

Japanese baseball player

Kenichi Wakatabe

Baseball player ‧ Haruka Wakatabe's father

Kendric Pryor

American football wide receiver

Kénold Versailles

Haitian footballer

Kent Butcher

Australian rules football player

Kentaro Takasaki

Professional baseball player

Kenton Smith

Canadian ice hockey player

Keonte Kennedy

Basketball player

Kerry Simmonds

American rower

Kevin Dunleavy

Athlete who plays basketball

Kevin Horgan

Soccer player

Kevin Ikpide

Football player

Kevin Kapstad

American ice hockey player

Kévin Sommer

Football player

AJ Hampton

American football player

Andrea Toniato

Italian swimmer

Kim Issel

Ice hockey player

KjellÅke Nilsson

Swedish olympic athlete

Klemen Pretnar

Ice hockey defenceman

Ezra Robinson

American football defensive back

Kobe Boyce

American football player

Koichi Isobe

Baseball player

Kristen Mann

American basketball player

Kristjan Rahnu