| Performer | Events |
| I Am Ghost | 2 events |
| I Am Ghost, Eyes Set To Kill, Confide, Lower Than Atlantis | 2 events |
| I am Hope, Caesars Rome | 1 event |
| I Am Love | 1 event |
| I Am The Avalanche | 1 event |
| I Blame Coco | 4 events |
| I Fight Dragons | 2 events |
| I Heart Music, Kids Love Lies, Support Tba, Dirty South | 1 event |
| I Love Pop | 1 event |
| I Love the 80s | 26 events |
| I Love You | 16 events |
| I Pooh | 1 event |
| i puritani | 3 events |
| I See Stars | 4 events |
| I Set My Friends On Fire | 4 events |
| I Set My Friends On Fire, Melody of Your Demise | 1 event |
| Iain Morrison | 2 events |
| Ian Brown | 2 events |
| Ian Brown, Support | 1 event |
| Ian Cognito, Duncan Oakley, Neil Fitzmaurice, plus support | 1 event |
| Ian Hunter | 5 events |
| Ian Hunter & The Rant Band | 1 event |
| Ian King | 2 events |
| Ian Mcculloch | 2 events |
| Ian McCulloch, Liverpool Sound City | 1 event |
| Ian McNabb | 2 events |
| Ian Moore, Tanyalee Davis, Neil Fitzmaurice, plus support | 2 events |
| Ian Siegal featuring Lyin' Dave + friends | 1 event |
| Ian Tyson | 3 events |
| Ibiza Global Radio Tour | 1 event |
| Icarus Club | 2 events |
| Icarus Club, Greg McDonald, Russell Joslin, Rachel Dawick, Son of Kirk | 1 event |
| Icarus Club, Grigoryan Brothers | 1 event |
| Ice: Direct From Russia | 228 events |
| Ice-T | 1 event |
| Ich Und Ich | 8 events |
| Ich War Noch Niemals In New York | 1 event |
| Icons of the Brave | 1 event |
| ICT Rollergirls | 1 event |
| Idaho State Bengals | 1 event |
| Idaho Vandals | 3 events |
| Ideal Band | 1 event |
| Ideal, Jody Wisternoff (Way Out West), Prok & Fitch, Gordon Edge, Pete | 1 event |
| Idina Menzel | 5 events |
| Idiotcut (Ep Launch) | 1 event |
| Idiots of Ants | 11 events |
| Idlewild | 11 events |
| Idlewild, Sparrow & the Workshop | 2 events |
| Idlewild, Val Verde, Crayons | 1 event |
| Idomeneo | 26 events |
| Iestyn Edwards: Anything for a Tenor: Iraq & I, and Madame Galina New | 1 event |
| If I Were You | 27 events |
| If Thief | 1 event |
| Iggy and the Stooges | 2 events |
| Iggy Pop & The Stooges | 2 events |
| Iglu | 3 events |
| Ignite | 1 event |
| Igor | 1 event |
| Ihsahn | 1 event |
| IIHF World Junior Championship | 2 events |
| Il Trovatore | 14 events |
| Il Turco In Italia | 4 events |
| Ill Bill & Slaine of La Coka Nostra, Cappo & Endemic, Dubbledge, (We a | 1 event |
| Illinois Fighting Illini | 15 events |
| Illinois State Redbirds | 1 event |
| I'm Not Pink! | 1 event |
| Ima | 1 event |
| Imagination | 1 event |
| Imagination Movers | 1 event |
| Imani Winds | 1 event |
| Imelda May | 11 events |
| Imogen Heap | 9 events |
| Impact Fight League | 1 event |
| Impact vs Darkside, Partyraiser (NL), Tymon (Australia - Uk Exclusive), Al Twisted, Rob Da Rhythm, Imhotep (Classics), Future Analagoue, Ritalin | 1 event |
| Impending Doom | 4 events |
| Impiety, Setherial, OMT, Korvus | 1 event |
| Importance of Being Earnest | 66 events |
| Importance of Being Earnest, Pre-Show Dinner Served At 6.00pm | 1 event |
| Importance of Being Oscar | 1 event |
| Impress These Apes! | 8 events |
| Improbubble! | 1 event |
| Impropera, Impro Meets Opera | 6 events |
| Improv at Harrah's | 228 events |
| Improvisation Festival | 1 event |
| In Fear and Faith | 1 event |
| In Love With Shakespeare | 1 event |
| In Search of Beethoven | 1 event |
| In the Flesh | 3 events |
| In the Flesh - the Pink Floyd Show | 1 event |
| In The Flesh, Pink Floyd Show | 1 event |
| In The Heat Of The Night | 14 events |
| In The Heights | 395 events |
| In the Mood | 2 events |
| In the Mood for Dancing | 1 event |
| In The Spotlight - Songs From The Musicals | 5 events |
| In This Moment | 24 events |
| In This Place | 2 events |
| Inaside Chicago Dance | 1 event |
| Indian Summer Festival | 1 event |
| Indiana Fever | 4 events |
| Indiana Hoosiers | 13 events |
| Indiana Pacers | 3 events |
| Indiana State Sycamores | 1 event |
| Indianapolis 500 | 9 events |
| Indianapolis 500 Qualifying | 8 events |
| Indianapolis Colts | 1 event |
| Indianapolis Indians | 104 events |
| Indigo Girls | 6 events |
| INDIGO-Manchesters Biggest Live Music Club Night, stocks, Glassheads, and special guests | 1 event |
| INDIGO-Manchesters Biggest Live Music Club Night, Tidy Hooker / Echo Deck, Twe1v3 / Sonny Scales, PaperPlane / Red or Black | 1 event |
| Indochine | 2 events |
| Indochine 2010 | 1 event |
| Indy 500 Festival Parade | 1 event |
| Indy Car Weekend | 1 event |
| Indy Grand Prix of Sonoma | 2 events |
| Inertia the Musical | 4 events |
| Infamous Kitsch Cabaret, Miss Terri, Sahhara, Krystal, Weirdly Wonderf | 1 event |
| Infected Mushroom | 6 events |
| Infernal Comedy | 2 events |
| INFEST 2010- FULL TICKET | 1 event |
| Infexious, 100% Scottish Talent | 1 event |
| Infinite Movement Ever Evolving | 1 event |
| INGESTED, Special Guests | 1 event |
| Ingolstadt | 2 events |
| Ingrid Michaelson | 12 events |
| Inme | 9 events |
| InMe, Fei Comodo | 1 event |
| Inme, Fei Comodo, Envy of the State | 4 events |
| InMe, Fei Comodo, Envy Of The State, Longest Day | 1 event |
| InMe, Liverpool Sound City | 1 event |
| Inme, Perfect Crime, Imicus | 1 event |
| Insane Clown Posse | 17 events |
| Insanity Isn't... | 1 event |
| Inside Out vs Judgement Sunday, Judge Jules, Zany, Richard Durand, Luna, Kutski, Simon Patterson | 1 event |
| Insight Bowl | 1 event |
| Inspector Cluzo | 4 events |
| Inspector Cluzo, Supports | 1 event |
| Intelligence-slave | 23 events |
| Intent2Supply, Doc Scott, Unknown Error, Digital & Outrage, Phil Source, Anile B2B Kodo, DJ E, D'zine, Kaizen, DJ NYX, RICHIE RISER B2B HiJACK!, Doc Vin, MC System, Stapleton MC, MC Fokus, MC KB | 1 event |
| Inter Milan | 9 events |
| International Children's Festival: At Nightfall-Sursaut Dance Company | 1 event |
| International Children's Festival: Ha Ha Ha - Okidok | 1 event |
| International Thai Boxing, Warriors XVI | 1 event |
| Interpreti Veneziani | 1 event |
| Intervision | 1 event |
| Into the Woods | 32 events |
| INTRODUCING play DJ SHADOW'S ENDTRODUCING | 1 event |
| Introducing, DJ Shadows Entroducing | 1 event |
| INVASIONS & INDEPENDENCE (PART 1) | 6 events |
| Invictus | 1 event |
| INVITE ONLY PARTY @ THE NEW (MO-ISHE) PALACE vs LINE UP TBC - BANDS & DJS FOR SURE | 1 event |
| Iowa Barnstormers | 6 events |
| Iowa Cubs | 2 events |
| Iowa Hawkeyes | 13 events |
| Iowa Speedway Races | 1 event |
| Iowa State Cyclones | 13 events |
| Iphigenia & This Child, Company of Angels & ALRA | 3 events |
| Iphigenie En Tauride | 3 events |
| Ira Glass | 3 events |
| Iration | 6 events |
| Ireland | 4 events |
| Ireland V England - Full Contact Cage Fighting | 1 event |
| Irina Kolesnikova In Swan Lake - St. Petersburg Ballet Theatre | 1 event |
| Iris Dement | 7 events |
| Irish Chamber Orchestra | 1 event |
| Irish Night | 1 event |
| IRL IndyCar Series: Texas 550k | 1 event |
| IRL Peak Antifreeze Indy 300 | 1 event |
| Irma LA Douce | 1 event |
| Irma Thomas | 3 events |
| Iron Butterfly | 1 event |
| Iron Maiden | 28 events |
| Iron On Maiden | 1 event |
| Irresistible Revolution, Shane Claiborne, Nicki Rogers, Pentecost Festival | 1 event |
| Irvin Mayfield | 3 events |
| Irving Berlin's White Christmas | 13 events |
| Isabeau | 1 event |
| Isc Test (E92isc4 - Uk4) | 1 event |
| Isc Test (E93isc1 - Uk4) | 1 event |
| Isc Test (E93isc4 - Uk4) | 1 event |
| Isc Test Series Event No1 - E94m1 | 1 event |
| Isc Test Series Event No2 - E94m2 | 1 event |
| Isc Test Series Event No3 - E94m3 | 1 event |
| Isis | 3 events |
| Isle of Wight Festival | 4 events |
| Islet, Team Brick | 1 event |
| Isley Brothers | 1 event |
| Ismael Serrano | 3 events |
| Israel Vazquez | 1 event |
| Isy Suttie. & Some Poets,, Support | 1 event |
| Italian Cinema London:Opening Night Happy Family, Q&A with director Gabriele Salvatores | 1 event |
| Italian Grand Prix | 3 events |
| ITALIANS DO IT BETTER, Glass Candy, Appaloosa, Mike Simonetti | 1 event |
| Italy | 3 events |
| It's a Wonderful Afterlife | 1 event |
| Its Just Not Faire | 2 events |
| It's Outta Here | 6 events |
| It's Showtime | 1 event |
| It's Showtime - Timesteps Theatre Dance | 1 event |
| It's True | 1 event |
| Itzhak Perlman | 6 events |
| Ius Orchestra | 1 event |
| Ivan Brackenbury, Al Pitcher, Ste Porter, plus support | 2 events |
| Ivan Brackenbury, Guests | 1 event |
| Ivan Brackenbury, Marc Lucero, Nathan Caton, Compere Spiky Mike | 1 event |
| Ivy Paige | 1 event |
| Ivyrise | 1 event |
| Iyaz | 1 event |
| Izzo Goes To Broadway | 2 events |