- In Extremo feat. Russkaja
- In Fear (British metalcore band from Bristol)
- In Fear and Faith
- In Fiction
- In Flames
- In Good Faith
- In Gowan Ring
- In Grey
- In Hearts Wake
- In Hearts Wake feat. Fitipaldes, Adrian
- In Hearts Wake feat. McCall, Winston
- In Hearts Wake feat. Rapp, Garret
- In Hearts Wake feat. Ruhlig, Chad
- In Her Own Words
- In League
- In Legend
- In Letter Form
- In Lingua Mortua
- In Love With a Ghost
- In Love Your Mother
- In Loving Memory (Spanish melodic death metal)
- In Malice's Wake
- In Memoriam (French Identitarian Rock band)
- In Mirrors
- In Mourning
- In My Coma
- In My Days
- In My Embrace (Swedish melodic black/death metal)
- In My Eyes
- In My Silence
- In Oceans
- In Order to Survive
- In Other Climes
- In Our Wake
- In Paradise
- In Parallel (2010+ US rock band)
- In Passing
- In Pieces (US post-hardcore band)
- In Real Life (Music production)
- In Real Life (from ABC show, Boy Band)
- In Reverence
- In Ruins (US doom/death metal band)
- In Sanity (German Melodic Death Metal band)
- In Schwarz
- In Slaughter Natives
- In Slumber
- In Solitude (Swedish heavy metal band from Uppsala)
- In Strict Confidence
- In Taberna
- In Tall Buildings
- In Tha Umbra
- In the Act of Violence (Canadian)
- In the Arena (Members of Cry of the Afflicted, Secret & Whisper)
- in the beyond (Active in UK 2019-Current)
- In The CAN
- In the Canopy
- In The City
- In the Face of War
- In the Midst of Lions
- In the Nursery
- In the Presence of Wolves
- In the Silence
- In the Silence (Progressive Rock / Atmospheric Metal)
- In the Valley Below
- In the Woods… (Norwegian black metal (a.k.a. I.t.W.))
- in theory
- In Theory...
- In This Moment
- In This Moment feat. Halford, Rob
- In This Moment feat. Smith, Brent
- In This Moment featuring Brink, Maria, Hale, Lzzy and Momsen, Taylor
- In This Moment featuring Cotela, Joe
- In Thy Dreams
- In Torment (Brazilian Brutal Death Metal Band)
- In Tormentata Quiete
- In Trance 95
- In Tua Nua
- In Tune (instrumental covers on guitar)
- In Twilight's Embrace (Polish Melodic Death Metal Band)
- In Vain (Death Metal / Progressive / Black Metal)
- In Vain (Spanish thrash/power metal band)
- In Victory
- In Virgo
- In Vivid Clarity
- In Whispers
- In Your Grave
- In Zaire
- In-D (Belgian 1980s New Beat project)
- in-d (Japanese hiphop)
- In-Existence (Dutch rock and metal band)
