Discworld
1. The Colour of Magic (1983)
2. The Light Fantastic (1986)
3. Equal Rites (1987)
4. Mort (1987)
5. Sourcery (1988)
6. Wyrd Sisters (1988)
7. Pyramids (1989)
8. Guards! Guards! (1989)
9. Eric (1990)
10. Moving Pictures (1990)
11. Reaper Man (1991)
12. Witches Abroad (1991)
13. Small Gods (1992)
14. Lords and Ladies (1992)
15. Men at Arms (1993)
16. Soul Music (1994)
17. Interesting Times (1994)
18. Maskerade (1995)
19. Feet of Clay (1996)
20. Hogfather (1996)
21. Jingo (1997)
22. The Last Continent (1998)
23. Carpe Jugulum (1998)
24. The Fifth Elephant (1999)
25. The Truth (2000)
26. Thief of Time (2001)
27. The Last Hero (2001)
28. The Amazing Maurice and His Educated Rodents (2001)
29. Night Watch (2002)
30. The Wee Free Men (2003)
31. Monstrous Regiment (2003)
32. A Hat Full of Sky (2004)
33. Going Postal (2004)
34. Thud! (2005)
35. Wintersmith (2006)
36. Making Money (2007)
37. Unseen Academicals (2009)
38. I Shall Wear Midnight (2010)
39. Snuff (2011)

Bromeliad
1. Truckers (1988)
2. Diggers (1990)
3. Wings (1990)
The Bromeliad (omnibus) (1998)

Johnny Maxwell
1. Only You Can Save Mankind (1992)
2. Johnny and the Dead (1993)
3. Johnny and the Bomb (1996)
The Johnny Maxwell Trilogy (omnibus) (1997)

Discworld (Non fiction)
The Science of Discworld (1992) (with Jack Cohen and Ian Stewart)
Streets of Ankh Morpork (1993)
The Discworld Companion (1994)
The Pratchett Portfolio (1996)
Discworld's Ankh-Morpork City Watch Diary (1998)
The Discworld: Day-to-Day Calendar (1998)
A Tourist Guide to Lancre (1998) (with Stephen Briggs, Paul Kidby)
Death's Domain: A Discworld Mapp (1999) (with Paul Kidby)
Discworld - Mini Calendar 2000 (1999)
Discworld Assassins' Guild Yearbook and Diary 2000 (1999)
Nanny Ogg's Cookbook (1999) (with Stephen Briggs, Tina Hannan)
The Discworld Calendar: 2001 (2000)
The Discworld Fools' Guild Yearbook and Diary 2001 (2000)
The Discworld Mapp (2000) (with Stephen Briggs)
Discworld Also (2001)
The Discworld Calendar: 2002 (2001)
The Discworld Fools' Guild Yearbook and Diary 2002 (2001)
Discworld Thieves' Guild Diary 2002 (2001)
Discworld Guild Diary 2003 (2002)
Discworld Roleplaying Game (2002) (with Paul Kidby, Phil Masters)
The New Discworld Companion (2002)
The Science of Discworld II: The Globe (2002)
Discworld Calendar 2004 (2003)
The Art of Discworld (2004) (with Paul Kidby)
The Celebrated Discworld Almanac (2004)
Discworld Calendar 2005 (2004)
The Science of Discworld III: Darwin's Watch (2005)
The Ankh-Morpork Post Office Handbook: Discworld Diary 2007 (2006) (with Stephen Briggs)
Terry Pratchett's Hogfather Discworld Calendar 2007 (2006)
The Unseen University Cut Out Book (2006)
Terry Pratchett's Discworld Collectors' Edition Calendar 2008 (2007)
The Wit and Wisdom of Discworld (2007)
The Folklore of Discworld (2008) (with Jacqueline Simpson)
Terry Pratchett's Discworld Collectors' Edition Calendar 2009 (2008)
Terry Pratchett's Discworld Collectors' Edition Calendar 2010 (2009)
The Complete Discworld Companion (2010) (with Stephen Briggs)
Terry Pratchett's Discworld Collector's Edition Calendar 2011 (2010)
Terry Pratchett's Discworld Collectors' Edition Calendar 2012 (2011)

Discworld omnibus
Death Trilogy (omnibus) (1998)
The City Watch (omnibus) (1999)
The Colour of Magic / The Light Fantastic (omnibus) (1999)
Rincewind the Wizzard (omnibus) (1999)
Gods Trilogy (omnibus) (2000)
Tales of Discworld: Pyramids / Moving Pictures / Small Gods (omnibus) (2000)
The Wee Free Men: The Beginning (omnibus) (2010)

The Carpet People (1971)
The Dark Side of the Sun (1976)
Strata (1981)
Good Omens (1990) (with Neil Gaiman)
Nation (2008)
The Long Earth (2012) (with Stephen Baxter)

Once More* with Footnotes (2004)
Imagined Lives: Portraits of Unknown People (2011) (with John Banville, Tracy Chevalier, Julian Fellowes, Alexander McCall Smith, Sarah Singleton, Joanna Trollope and Minette Walters)
A Blink of the Screen (2012)

Going Postal: Stage Adaptation (2005)
Jingo: Stage Adaptation (2005)
Terry Pratchett's Hogfather: The Illustrated Screenplay (2006)
Sourcery: The Illustrated Screenplay (2008)
Nation: The Play (2009) (with Mark Ravenhill)
Terry Pratchett's Johnny and the Bomb: A Time-tickingly Tremendous Musical (2012) (with Matthew Holmes)

The Unadulterated Cat (1989)
Lu-tse's Yearbook of Enlightenment (2007) (with Stephen Briggs)

The Unseen University Challenge (1996) by David Langford
Discworld II - Missing Presumed ...: the Official Strategy Guide (1996) by Paul Kidd
Terry Pratchett: Guilty of Literature (2000) by Andrew M Butler, Edward James and Farah Mendlesohn
The Wyrdest Link (2002) by David Langford
Dragons of Fantasy: The Scaly Villains and Heroes of Tolkien, Rowling, McCaffrey, Pratchett and Other Fantasy Greats (2004) by Anne C Petty
The Turtle Moves!: Discworld's Story Unauthorized (2008) by Lawrence Watt-Evans
An Unofficial Companion to the Novels of Terry Pratchett (2008) by Andrew M Butler