| In Person | In Person (Bobby Timmons) | In Person (Cannonball Adderley) |
| In Person Friday and Saturday Nights at the Blackhawk, Complete | In Person! | In Person, Friday Night at the Blackhawk, San Francisco, Volume I |
| In Person, Saturday Night at the Blackhawk, San Francisco, Volume II | In persona Christi | In persona episcopi |
| In piazza | In Pieces | In Pieces (Chlöe) |
| In Pieces (Garth Brooks) | In piedi! Fuori la mafia! | In piedi, figlio di Amazigh |
| In piena luce | In Pine Effect | In Pisonem |
| In pista con Roary | In Place of Real Insight | In Plain Sight |
| In Plain Sight - Protezione testimoni | In Plane Switching | In Plenty and In Time of Need |
| In Plurimis | In Porsche con il morto | In portineria |
| In Poverty's Power | In Praeclara Summorum | In Praise of Christmas |
| In Praise of Dreams | In Praise of Idleness | In Praise of Idleness and Other Essays |
| In Praise of Learning | In Praise of Older Women | In Praise of Science |
| In Praise of the Vulnerable Man | In presenza del nemico | In presenza del nemico (romanzo giallo) |
| In prima linea | In prima persona | In prima persona (Lowlow) |
| In primis | In primo piano | In primo piano (Eros Ramazzotti) |
| In principatu commutando saepius nil, praeter domini nomen, mutant pauperes | In principio | In principio era |
| In principio era Darwin | In principio era il trio | In principio era la Terra |
| In principio erano le mutande | In principio: Storie dalla Bibbia | In pristino |
| In pristinum | In profilo | In Public |
| In punizione al 23° piano | In punizione al 23º piano | In punta |
| In punta di lingua | In punta di piedi | In punta di piedi (EP) |
| In punta di piedi (film 1960) | In punta di piedi (film 1984) | In punta di piedi (film 2018) |
| In punta di piedi (film) | In punta di piedi (singolo) | In punto di morte |
| In Pursuit of Fashion | In Pursuit of Greed | In Pursuit of Polly |
| In Pursuit of Proper Sinner | In Pursuit of the 27th Man | In Qontrol |
| In qualche parte del mondo | In Quarantine | In quarto |
| In quel preciso momento | In quelle tenebre | In questa città |
| In questa città (Max Pezzali) | In questa città/Io non ho | In questa città/Un'immagine |
| In questa nostra casa nuova | In questa nostra vita | In questa storia che è la mia |
| In questa storia, che è la mia | In queste ore chiare | In questo angolo di mondo |
| In questo angolo di mondo (film) | In questo mare | In questo mondo che non puoi capire |
| In questo mondo di ladri | In questo mondo di ladri (album) | In questo mondo di ladri (film 2004) |
| In questo mondo di ladri (film) | In questo mondo libero | In questo mondo libero... |
| In questo piccolo mondo | In questo progresso scorsoio | In quiete |
| In Quintum Caecilium divinatio | In Quo Country | In radio |
| In Rainbows | In Rave We Trust | In re Gault |
| In re ipsa | In re Winship | In Real Life |
| In Real Life (album) | In Real Time | In Real Time: Live '87 |
| In realtà io sono... | In regione caecorum rex est luscus | In Remembrance |
| In Requiem | In rerum natura | In Return |
| In ricchezza e in povertà | In riscontro | In ritiro con la nazionale |
| In ritiro con la Nazionale | In riva al mare | In Rock |
| In Rock (album) | In Rock We Trust | In Rolling Waves |
| In rosso | In rotta per Bisanzio | In Rough Territory |
| In sa notte profundha | In saecula saeculorum | In Salah |
| In Santa's Claws | In sé | In sbarra |
| In scaglione | In scena | In se magna ruunt |
| In Search of a Thrill | In Search of Amelia Earhart | In Search of Dr. Seuss |
| In Search of Gregory | In Search of Sanity | In Search of Santa |
| In search of Simurgh | In Search of Solid Ground | In Search of Space |
| In Search of Stoney Jackson | In Search of The | In Search of the Castaways |
| In Search of the Fourth Chord | In Search of the Fourth Chord - Live at National Arboretum Westonbirt | In Search of the Fourth Chord - Live at National Arboretum Westonbirt, Tetbury, Sunday 22nd June 2008 |
| In Search of the Lost Chord | In search of the Miraculous | In Search of Truth |
| In Search of... | In Search Of... | In Search Of... (Fu Manchu) |
| In Search of... (N*E*R*D) | In Search of... (N.E.R.D) | In Search of... (serie televisiva) |
| In secondo | In Secret | In sedicesimo |
| In sella | In senso inverso | In serie |
| In Session | In Session (Albert King e Stevie Ray Vaughan) | In Session (Lisa Stansfield) |
| In sete altere, Arturo Stàlteri suona Battiato | In Sides | In silenzio |
| In silenzio (serie televisiva) | In silenzio/Piccola Katy | In silico |
| In silico (album) | In silvam non ligna feras insanius | In simbiosi |
| In Sleep | In Slumberland | In smantellamento |
| In Society | In solido | In solidum |
| In solitario | In Solitude | In Some Small Way |
| In Some Way, Shape or Form | In Somniphobia | In Sorte Diaboli |
| In sospeso | In Space | In Spades |
| In Spite of All | In Spite of All (film 1915) | In Spite of All the Danger |
| In Spite of Him | In Spite of the Evidence | In Spite of Thunder |
| In Square Circle | In Stahlgewittern | In stasi perpetua |
| In Step | In Stereo | In Stereo (Bananarama) |
| In Strict Confidence | In su cuile 'e s'anima | In su monte 'e Gonare |
| In supposta veritas | In Suprema Petri Apostoli Sede | In Suprema Petri sede |
| In suprema praeminentia dignitatis | In supremae dignitatis | In Supremae praeminentia Dignitatis |
| In supremo apostolatus | In Supremo Apostolatus | In taberna quando sumus |
| In Tam | In Taxi 23 | In te |
| In te (brano musicale) | In teatro - Il concerto 1992/93 | In Technicolor |
| In tema d'amore | In Temperance Town | In tempo reale |
| In tempo reale live | In tenui labor at tenuis non gloria | In terra ostile |
| In terra sarda | In territorio nemico | In territorio nemico (album) |
| In territorio nemico (romanzo) | In testa | In testa (album) |
| In the Absence of Good Men | In The Absence of Pink | In the Absence of Pink |
| In the Absence of Truth | In the Aeroplane over the Sea | In the African Jungle |
| In the Air Tonight | In the Air Tonight (Phil Collins) | In the Aisles of the Wild |
| In the Amazon Jungle | In the Arbour | In the Arctic Night |
| In the Arms of Devastation | In the Army Now | In The Army Now (2010) |
| In the Army Now (album) | In the Army Now (brano musicale) | In the Army Now (singolo) |
| In the Attic | In The Attic | In the Ayer |
| In the Background | In the Background (film 1915) | In the Badlands |
| In the Bag | In the Balance | In the Balance (film 1917) |
| In The Battle | In the Bedroom | In the Bedroom, I Confess |
| In the Beef and Butter Country | In the Beginning | In the Beginning (album) |
| In the Beginning (Angel) | In the Beginning (Nuova Idea) | In the Beginning (Roy Buchanan) |
| In the Beginning - In principio era | In the Beginning... | In the beginning... |
| In the Best Families | In the Best Interest of the Children | In the best interest of the children |
| In the Bishop's Carriage | In the Black | In the Black Hills |
| In the Bleak Midwinter | In the Bleak Midwinter (Christina Rossetti) | In the Blood |
| In the blood | In the Blood (film 2014) | In the Blood (film) |
| In the Blood (John Mayer) | In the Blood (Londonbeat) | In the Blue Light |
| In the Border States | In the Candlelight | In the Christmas Spirit |
| In the City | In the City (album The Jam) | In the City (Kevin Rudolf) |
