J Boog
Also known as Jerry Afemata
Songs: Let's Do It Again (Nice to Know Ya)
J-Kwon Songs: Tipsy
Ivan Jack
Songs: Stand by Me (remix) (45 Stars)
The Jackson 5
Also known as The Jackson Five, The Jackson 5ive, J5, The Jacksons
See also: Michael Jackson

Songs: Blame It on the Boogie - Who's Lovin' You - I Want You Back - I'll Be There - Shake Your Body (Down to the Ground)
Cornelia Jakobs Songs: Hold Me Closer (Eurovision Sweden)
Jamala Songs: 1944
Janie Songs: Mon idole
Jay and The Americans
Also known as John Jay Traynor, Howie Kane, Kenny Vance, Sandy Deanne, Jay Black & Marty Sanders
Songs: Cara Mia - This Magic Moment - Come a Little Bit Closer - Walkin' in the Rain - Only in America
Jayesslee Songs: Gangnam Style (강남 스타일) (Acoustic version)
Jazzkantine Songs: Highway to Hell (& Tom Gaebel)
Jazzy Songs: Giving Me
Jekyll & Hyde (musical)
Musicals & Broadway - The Strange Case of Dr Jekyll and Mr Hyde (Louis Stevenson)
Songs: Someone Like You - This Is the Moment - Bring on the Men - A New Life - Lost in the Darkness
Jem Songs: It's Amazing - 24
Lyfe Jennings Songs: Must Be Nice - Freeze (& LL Cool J) - S.E.X. (& LaLa Brown)
Jeremih Songs: Oui - Birthday Sex - Down On Me (& 50 Cent) - Somebody (& Natalie La Rose) - Break Up To Make Up
Jessy Songs: Dancing in the Dark (& Micky Modelle)
Jethro Tull
Ian Anderson, Martin Barre, David Goodier, John O'Hara & Doane Perry
Songs: Locomotive Breath - Cross-Eyed Mary - Aqualung - Thick As a Brick (Edit No. 1) (Radio Edit) - Living in the Past
Jigsaw Songs: Sky High
Jin (진) Songs: Yours (Jirisan (Jin 진))
Jinjer Songs: Pisces
The Jive Aces Songs: Bring Me Sunshine (& Toni Elizabeth Prima) - White Cliffs of Dover
Kari Jobe
Also known as Kari Brooke Jobe
Songs: I Am Not Alone (live) - The Blessing (& Cody Carnes & Elevation Worship) - Revelation Song
Yung Joc Songs: I Know You See It (& Brandy "Ms. B." Hambrick) - It's Goin' Down
Also known as Filthy Frank, Pink Guy & George Kusunoki Mille
Songs: Glimpse of Us - Slow Dancing in the Dark - Run - Die for You - Yeah Right
Nick Jonas
Nick Jonas & The Administration
Songs: Introducing Me (From Camp Rock musical) - Jealous - Chains - Find You - This Is Heaven
Joyce Jonathan
My Major Company
Songs: Ça ira - Caractère - Les filles d'aujourd'hui (& Vianney) - Je ne sais pas - Hakuna Matata (We Love Disney)
Coco Jones
Also known as Courtney Jones
Songs: ICU - Tummy Hurts (remix) (& Reneé Rapp)
Mike Jones
Also known as Sache & Michael Allen Jones
Songs: Still Tippin' (& Slim Thug & Paul Wall) - I'm 'n Luv (wit a Stripper) (& T-Pain)
Also known as Joost Klein
Songs: Europapa (Eurovision Netherlands)
José José
Also known as José Rómulo Sosa Ortiz
Songs: La nave del olvido - El triste - Almohada - Lo pasado, pasado - Gavilán o paloma
Neal Schon, Ross Valory, Jonathan Cain, Deen Castronovo & Arnel Pineda
Songs: Don't Stop Believin' (Small Town Girl) - Separate Ways (Worlds Apart) - Faithfully - Stone in Love - Lights
Songs: Tchikita - Moulaga (& Heuss l'Enfoiré) - Bande organisée (& SCH, Kofs, Naps, Soso Maness, Elams, Houari & Solda) - Ma jolie - J'oublie tout
Julie and the Phantoms
Madison Reyes, Charlie Gillespie, Cheyenne Jackson, Jadah Marie & Savannah Lee May
Songs: Stand Tall - Bright - Unsaid Emily (Charlie Gillespie) - Flying Solo - Edge of Great
Juvenile Songs: Back That Azz Up (& Lil Wayne & Mannie Fresh) - Slow Motion (& Soulja Slim)
JX Songs: There's Nothing I Won't Do (& Shèna)