| 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 | 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 |
