J
- I Dream of Jeannie - Hugo Montenegro and Buddy Kaye
- I Love Lucy - Eliot Daniel
- I'll Fly Away - W. G. Walden
- iCarly ("Leave It All to Me") - Miranda Cosgrove and Drake Bell
- The Inbetweeners ("Gone Up in Flames") - Morning Runner
- The Incredible Hulk ("The Lonely Man") - Joe Harnell
- Inspector Morse - Barrington Pheloung
- Interpol Calling - Clifton Parker
- The Invaders - Dominic Frontiere
- The Invisible Man (1958) - Sydney John Kay
- Ironside - Quincy Jones
- The Jackie Gleason Show ("Melancholy Serenade") - Jackie Gleason
- JAG - Bruce Broughton
- The Jeffersons ("Movin' On Up") - Ja'net Dubois
- Jeopardy! ("Think Music") - Merv Griffin
- Jessie ("Hey Jessie") - Debby Ryan
- The Jetsons - Hoyt Curtin, William Hanna and Joseph Barbera
- Jimmy Kimmel Live! - Robert Goulet
- Joan of Arcadia ("One of Us") - Joan Osborne
- John from Cincinnati ("Johnny Appleseed") - Joe Strummer & the Mescaleros
- Johnny Staccato ("Staccato's Theme") - Elmer Bernstein
- Just the Ten of Us ("Doin' it the Best I Can") - Bill Medley
Read more about this topic: List Of Television Theme Music, I