This is a list of literary trilogies. Feel free to add more triologies.
- 0–9
- 20,000 Streets Under the Sky
- 2023: A Trilogy
- B
- The Barrytown Trilogy
- Batman & Dracula trilogy
- The Beatles: All These Years
- The Border Trilogy
- The Bounty Trilogy
- The Brentford Trilogy
- C
- Cairo Trilogy
- Condor Trilogy
- The Copenhagen Trilogy
- The Cornish Trilogy
- Crusades trilogy
- The Cult of the Self
D
- The d'Artagnan Romances
- The Deptford Trilogy
- Dickson McCunn trilogy
- Divergent (book series)
- Dragonvarld
- The Dreamseller
E
- The Epic of the Wheat
F
- Fifty Shades (novel series)
G
- The Griffin and Sabine Saga
- Grigori Trilogy
I
- Ibis trilogy
- InterWorld (series)
J
- The Junction Chronicles
K
- Kristin Lavransdatter
L
- The Liberation Trilogy
- The Lunar Trilogy
M
- Mezi proudy
- Moonlight Bay Trilogy
- The Murder House Trilogy
N
- The New York Trilogy
- The Nibroc Trilogy
- Notes from the Internet Apocalypse
- The Nova Trilogy
O
- Ordinalia
- Oresteia
- The Oversoul Seven Trilogy
P
- Pan trilogy
- Patan trilogy
- Pine Deep Trilogy
R
- Regeneration Trilogy
- The Rosie Result
S
- The Salterton Trilogy
- Sherston trilogy
- Sideways Trilogy
- Silicon Dreams
- Snopes trilogy
- Southern Reach Trilogy
- Starchild Trilogy
- Sword of Honour
T
- Tales of the Kingdom Trilogy
- The Three Doors
- The Tiny Book of Tiny Stories
- Toldi trilogy
- The Transylvanian Trilogy
- The Trilogy
U
- U.S.A. (trilogy)
- Underworld USA Trilogy
V
- Viking Trilogy
W
- Wallenstein (trilogy of plays)
- The Wimbledon Trilogy