There are many. You need to be more specific. Some include: Jay Leno Jennifer Lopez Jessica Simpson
J-Lo
One Celebrity that's name starts with the letter "J" is Justin Timberlake.
Jeniffer Lopez
joe Jonas
Jamie Lynn Spears Jennifer Lopez
J lo?
Jelena Jankovic (SRB)
Cascada
yanni
usher
jay-lo
Japan is an island that starts with J.