Must Be Pop Masterlist
- Jakub Voracek - athlete, hockey player, Columbus Blue Jackets
- Jackson Rathbone - actor, musician, 100 Monkeys
- Jacob Hoggard - musician, Canadian Idol II, CANNOT BE PORTRAYED PER CELEB'S REQUEST
- Jacoby Shaddix aka Coby Dick - musician, Papa Roach, CANNOT BE PORTRAYED WITHOUT A MODERATOR'S PERMISSION
- Jaime King - model, actress
- Jaimie Alexander - actress
- Jake Gyllenhaal - actor
- Jake Johnson - musician, The Record Life
- James Franco - actor
- James Gunn - other, filmmaker
- James Maslow - actor, musician
- James May - television personality
- James McAvoy - actor
- James Neal - athlete, hockey, Dallas Stars
- James van Riemsdyk - athlete, hockey, Philadelphia Flyers
- Jamie Chung - actress
- Jamie Cullum - musician
- Jamie Dornan - model
- Janet Weiss - musician; Quasi, The Jicks
- January Jones - actress
- Jared Boll - athlete, hockey player, Columbus Blue Jackets
- Jared Leto - actor, musician, 30 Seconds to Mars
- Jared Padalecki - actor
- Jarkko Ruutu - athlete, hockey, Ottawa Senators
- Jason Bateman - actor
- Jason Hawes - television personality
- Jason King - athlete, hockey player, Hamburg Freezers (Germany)
- Jason Lee - actor
- Jason Schwartzman - actor
- Jason Segel - actor
- Jason Spezza - athlete, hockey player, Ottawa Senators
- Javier Bardem - actor
- Jay Baruchel - actor
- Jean-François Jacques - athlete, hockey player, Edmonton Oilers
- Jean-Sebastien Aubin - athlete, hockey player, DEG Metro Stars - Germany
- Jeff Carter - athlete, hockey player, Philadelphia Flyers
- Jeffrey Dean Morgan - actor
- Jenn Beaupre - musician, CANNOT BE PORTRAYED PER CELEB'S REQUEST
- Jennifer Aniston - actress - Held for personal reasons until December 15th, 2010
- Jennifer Connelly - actress
- Jensen Ackles - actor
- Jérémy Duchesne - athlete, hockey player, Philadelphia Flyers
- Jeremy Roenick - athlete, hockey player, retired
- Jerry Ferrara - actor
- Jesse Eisenberg - actor
- Jesse McCartney - musician
- Jessica Alba - actress
- Jessica Lowndes - actress
- Jessica Origliasso - musician, The Veronicas
- Jessica Stam - model
- Jessica Stroup - actress
- Jessica Szohr - actress
- Jill Emmich - other, wife of Val Emmich
- Jim Sturgess - actor
- Jimmie Johnson - athlete, race car driver
- Joe Jonas - musician, The Jonas Brothers
- Joe Manganiello - actor
- Joffrey Lupul - athlete, hockey player, Anaheim Ducks
- John Barrowman - actor, CANNOT BE PORTRAYED PER CELEB'S REQUEST
- John C McGinley - actor
- John Cusack - actor, CANNOT BE PORTRAYED PER CELEB'S REQUEST
- John Esposito - athlete, hockey player, CANNOT BE PORTRAYED PER CELEB'S REQUEST
- John Gallagher, Jr. - actor
- John Krasinski - actor
- John Mitchell - athlete, hockey, Toronto Maple Leafs
- John Moore - athlete, hockey player, Columbus Blue Jackets
- John Slattery - actor
- John Tavares - athlete, hockey, New York Islanders
- Johnny Depp - actor
- Johnny Marr - musician, The Cribs
- Jon Bongiovi aka Jon Bon Jovi - musician, Bon Jovi, CANNOT BE PORTRAYED PER CELEB'S REQUEST
- Jon Hamm - actor
- Jon Stewart - actor, CANNOT BE PORTRAYED WITHOUT A MODERATOR'S PERMISSION
- Jon Walker - musician, The Young Veins
- Jonas Hiller - athlete, hockey, Anaheim Ducks
- Jonathan Rhys Meyers - actor
- Jonathan Toews - athlete, hockey player, Chicago Blackhawks
- Jonne Aaron - musician, Negative (held permanently for personal reasons)
- Jordan Eberle - athlete, hockey, Edmonton Oilers
- Jordan Staal - athlete, hockey player, Pittsburgh Penguins
- Jordis Unga - musician, Rockstar:INXS, CANNOT BE PORTRAYED PER CELEB'S REQUEST
- José Théodore - athlete, hockey player, CANNOT BE PORTRAYED PER CELEB'S REQUEST
- Joseph Gordon-Levitt - actor
- Josh Hartnett - actor
- Josh Palmer - musician, Canadian Idol III, CANNOT BE PORTRAYED PER CELEB'S REQUEST
- Josie Esposito - family member, sister of hockey players Angelo & John, CANNOT BE PORTRAYED PER CELEB'S REQUEST
- JT Leroy - other, author, CANNOT BE PORTRAYED PER CELEB'S REQEST
- Jude Law - actor
- Julia Stiles - actress
- Justin Bieber - musician
- Justin Hartley - actor
- Justin Long - actor
- Justin Theroux - actor
- Justin Timberlake - musician