- I'm Gonna Knock On Your Door prod. by Hugo & Luigi, Hugo Peretti & Luigi Creatore
- I’m In Love (Ft. Ronald Isley) prod. by Jimmy Jam & Terry Lewis
- I'm So Proud prod. by Angela Winbush & Ronald Isley
- I Must Be Losing My Touch
- I Need Your Body
- I Need You So
- Inside You
- I Once Had Your Love (And l Can't Let Go)
- I Remember by The Isley Brothers & Santana prod. by Carlos Santana
- I Say Love prod. by Bert Berns
- Isley Christmas Medley: The First Noel/What Child Is This/Gloria In Excelsis (Ft. Ronald Isley) prod. by James "Big Jim" Wright & Jimmy Jam & Terry Lewis
- It Moves Me To Tears prod. by George Kerr & William "Mickey" Stevenson
- It's A Disco Night
- It's A Disco Night (Parts 1 & 2)
- It's a Disco Night (Rock Don't Stop)
- It's A Disco Night (Rock Don't Stop) (Parts 1 & 2)
- It’s Alright With Me
- It's a New Thing (It's Your Thing)
- It's My Thing (Part 1) by Marva Whitney prod. by James Brown
- It's My Thing (Part 2) by Marva Whitney prod. by James Brown