| In orbita | In ordine di sparizione | In ostaggio |
| In Other Words | In ottavo | In Our Bones |
| In Our Heads | In Our Image | In Our Lifetime |
| In Our Lifetime (8Ball & MJG) | In Our Lifetime (Marvin Gaye) | In Our Lifetime (Texas) |
| In Our Lifetime, Vol. 1 | In Our Nature | In Our Nature (album) |
| In Our Own Sweet Time | In Our Wake | In Outer Space |
| In palo | In paradiso fa troppo caldo | In Paradisum |
| In Paradisum (album) | In Paris | In parole povere |
| In partibus | In partibus infidelium | In pasto ai leoni |
| In Patagonia | In Payment of the Past | In Peaceful Hollow |
| In pectore | In peggio | In perfetta solitudine |
| In pergola | In Peril of Their Lives | 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 |
