- I Believe In Father Christmas Band
- I Castellani Umbri
- I Chill Music Factory
- I Chjami Aghjalesi
- I Don't Believe Anymore
- I et lite hus & Pust
- I Mitici Angioletti
- I Piccoli Musici
- I Quattro
- I Saw Mommy Kissing Santa Band
- I Saw Three Ships Band
- I Soleado
- I Solisti Di Duino
- I Will Follow
- I Wish It Could Be Christmas Everyday Band
- Ian Anderson
- Ian Matthew
- Ian McKinnon
- Ian Webster
- IAYL
- Iben Palle
- Ibiza Pool
- Ibros.
- Ice Choir
- Ice Cream Cathedral
- ICF Worship
- Ida Corr
- Ida Elina
- Ida Sofie Lüthe
- Idina Menzel
- IDN Worship
- Idol Allstars 2009
- Igel-Band
- Iglesias Navidad
- Igniter Music
- Igor Herbut
- Igor Sidorow
- Igor Tsuman
- Igor und seine Oberkrainer
- Iguana Brass
- Iiciva
- Ikson
- Ikson 8D
- Ilan Chester
- Ilaria e Gianni
- Illegal Musik
- Ilona
- Ilse Werner & das Orchester Alfred Hause
- IM Digital Orchestra
- Ima
- Imani Winds
- IMAscore
- Imogen Children's Chorale
- Imogen Clark
- Impacto Crea
- Improbable people
- Improbable people
- Imre Czomba
- Imre Nemeth
- IMSEMO
- In Paradisum
- In The Bleak Mid Winter Band
- In The Pocket
- In Void
- In-Grid
- In2parts
- Ina Wroldsen
- Inaya Day
- Incandescently
- India.Arie
- Indiana University Children's Chamber Choir
- Indigo
- Indigo Girls
- Indira Montes
- Indra Hughes
- Ine Repstad Hansen
- Ines Adler
- Infant Delights
- Inge Frimout-Hei
- Inge Reischl
- Inger Gaup
- Inger Lise Rypdal
- Ingo Roberts
- Ingo Schwarz
- Ingrid & Steirerboys
- Ingrid DuMosch
- Ingrid Kjosavik
- Ingrid Michaelson
- Ingrid Peters
- Ingvar Olsen
- Ingvar Wixell
- Inita Āboliņa
- InnCider
- Inner Voices
- Innsbrucker Capellknaben
- Inntaler Weisenbläser
- Inside Tracks
- Insieme Polifonico Femminile San Filippo Neri
- Inspirational Singers
- Inspired
- Instrumental Champions
- Instrumental Christmas Music
- Instrumental City
- Instrumental Dreams
- Instrumental Inspirations
- Integrity Worship Singers
- InterContinental
- International Christmas Carolers
- International Pop Orchestra
- International Staff Band Of The Salvation Army
- Intoku
- Intro Church
- Invasion from Mars
- Ion Vanescu
- Ione Papas
- Irena Jarocka
- Irena Santor
- IRENA VRČKOVNIK
- Irene Grandi
- Irene Kelley
- Irene Natale
- Irie White
- Irina
- Irina Loghin
- Irina Radis
- Irini Mando
- Irish Christmas Folk Music
- Irish Tales Group
- Irma Garza
- Irmin Schmidt
- Irving Berlin
- Irving Bible Church Vox Humana Choir
- IRYNA MÜZИKA
- Isaac And The Soul Company
- Isaac Moore
- Isabel Pantoja
- Isabelle Boulay
- Isabelle Roelofs
- Isaji Riq
- Isak's Island
- Iselin Main
- Isla Grant
- Island Choral Experience
- Islas
- Ismael Rivera
- Israel & New Breed
- Israel Philharmonic Orchestra
- It's a Cover Up
- It's Beginning To Look A Lot Like Christmas Band
- Italian Christmas Stories Academy
- Itstaylormade
- Itä-Suomen yliopiston kuoro Joy, UEF Choir Joy
- Ivan Clarke
- Ivan Nikolic
- Ivan Parker
- Ivana Raymonda Van Der Veen
- Iver Kleive
- Ives the Band
- Iveta Bartošová
- Ivlyn Mutua
- Iván Torres
- Iwan Bockkom
- IWAO
- Iwona Niedzielska
- IYAN
- Izzy Olaore