J Boog Songs: Let's Do It Again (Nice to Know Ya)
The Jackson 5
Also known as The Jackson Five, The Jackson 5ive, J5, The Jacksons
See also: Michael Jackson

Songs: Who's Lovin' You - Blame It on the Boogie - I Want You Back - I Wanna Be Where You Are (Michael Jackson) - Never Can Say Goodbye
Ruth Jacott Songs: Vrede - Leun op mij - Rad van Fortuin (Ik hou zoveel van jou) - Ik ga door (feat. Miker G.) - Blijf bij mij
Cornelia Jakobs
Also known as Anna Cornelia Jakobsdotter Samuelsson
Songs: Hold Me Closer (Eurovision Sweden)
Jamala Songs: 1944
Jamie T Songs: Zombie
Jan Delay Songs: Ganz Anders (& Udo Lindenberg) - Eule (& Marteria) - Oh Johnny - St. Pauli
Floor Jansen Songs: Fire - Let It Go - Euphoria - Shallow (Beste Zangers 2019)
Maurice Jarre Songs: Lara's Theme (Doctor Zhivago)
Jax
Jackie Miskanic
Songs: Like My Father - 90's Kids
Jayesslee Songs: Gangnam Style (강남 스타일) (Acoustic version)
Jazzkantine Songs: Highway to Hell (feat. Tom Gaebel)
Jedward Songs: Under Pressure - Lipstick (Eurovision 2011 Ireland)
Jekyll & Hyde (musical)
Musicals & Broadway - The Strange Case of Dr Jekyll and Mr Hyde (Louis Stevenson)
Songs: This Is the Moment - Bring on the Men - Someone Like You - Dangerous Game - Confrontation
Jem Songs: It's Amazing - 24
Lyfe Jennings Songs: Must Be Nice - S.E.X. (& LaLa Brown) - Freeze (& LL Cool J)
Jessie J
Jessica Ellen Cornish
Songs: Bang Bang - Do It Like A Dude - Flashlight - Price Tag (feat. B.o.B) - Man With the Bag
Jethro Tull
Ian Anderson, Martin Barre, David Goodier, John O'Hara & Doane Perry
Songs: Skating Away (On the Thin Ice of the New Day) - Mother Goose - Locomotive Breath - Aqualung - Cross-Eyed Mary
The Jive Aces
Songs: Bring Me Sunshine (feat. Toni Elizabeth Prima) - White Cliffs of Dover
Joji
Also known as Filthy Frank, Pink Guy & George Kusunoki Mille
Songs: Slow Dancing in the Dark
Nick Jonas
Nick Jonas & The Administration
Songs: Close (feat. Tove Lo) - Introducing Me (From Camp Rock musical) - Jealous - This Is Heaven - Levels
Jax Jones
Songs: Where Did You Go? (& MNEK) - Breathe (feat. Ina Wroldsen) - Out Out (& Joel Cory, Charli XCX & Saweetie) - Instruction (feat. Demi Lovato & Stefflon Don) - You Don't Know Me (feat. Raye)
Journey
Neal Schon, Ross Valory, Jonathan Cain, Deen Castronovo & Arnel Pineda
Songs: Don't Stop Believin' (Small Town Girl) - Separate Ways (Worlds Apart) - You Got the Best of Me - Open Arms - Faithfully
Jul Songs: Bande organisée (& SCH, Kofs, Naps, Soso Maness, Elams, Houari & Solda) - Tchikita - On m'appelle l'ovni
Julie and the Phantoms
Madison Reyes, Charlie Gillespie, Cheyenne Jackson, Jadah Marie & Savannah Lee May
Songs: Wake Up (Madison Reyes) - Flying Solo - The Other Side of Hollywood - Unsaid Emily (Charlie Gillespie) - Edge of Great
Juvenile
Songs: Back That Azz Up (feat. Lil Wayne & Mannie Fresh) - Slow Motion (feat. Soulja Slim)