| Work | Description | Characters |
|---|---|---|
| Air Gear | Japanese manga series | 1 |
| Airplane! | 1980 film directed by Jim Abrahams, David Zucker and Jerry Zucker | 1 |
| Airplane II: The Sequel | 1982 film directed by Ken Finkleman | 1 |
| Akame ga Kill! | Japanese anime television series | 3 |
| Akame ga Kill! | Japanese manga series | 3 |
| A Kidnapped Santa Claus | short story by L. Frank Baum | 1 |
| Akira | 1988 Japanese animated action film directed by Katsuhiro Otomo | 2 |
| Akira | manga series by Katsuhiro Otomo | 2 |
| Aladdin | 2019 film by Walt Disney Pictures directed by Guy Ritchie | 2 |
| Aladdin | animated television series made by Walt Disney Television | 1 |
| Aladdin | 1992 American animated musical fantasy film produced by Walt Disney Feature Animation | 5 |
| A Language All My Own | 1935 film by Dave Fleischer | 1 |
| Alan Partridge: Alpha Papa | 2013 British action comedy film directed by Declan Lowney | 1 |
| Alan Partridge's Scissored Isle | 2016 television film directed by Gibbons brothers | 1 |
| Alan Partridge: Welcome to the Places of My Life | 2012 television mockumentary | 1 |
| Alan Wake | 2010 video game | 1 |
| Alan Wake 2 | 2023 survival horror video game developed by Remedy Entertainment | 1 |
| Alan Wake's American Nightmare | 2012 psychological horror video game developed by Remedy Entertainment | 1 |
| Albatross | Short story | 6 |
| Alceste | opera by Christoph Willibald Gluck from 1767 | 1 |
| Alice in Borderland | manga series | 1 |
| Alice in Borderland | 2020 Japanese Netflix TV series | 10 |
| Alice in Wonderland | 1915 film directed by W.W. Young | 1 |
| Alice in Wonderland | musical pantomime | 1 |
| Alice in Wonderland | 1951 American animated musical fantasy film produced by Walt Disney Productions | 2 |
| Alice in Wonderland | 2010 film by Tim Burton, produced by Walt Disney | 2 |
| Alice's Adventures in Wonderland | work by Lewis Carroll | 2 |
| Alice Through the Looking Glass | 2016 film produced by Walt Disney Pictures | 2 |
| Alien | 1979 British-American science-fiction horror film by Ridley Scott | 2 |
| Alien | science-fiction horror franchise | 1 |
| Alien 3 | 1992 American science-fiction horror film by David Fincher | 2 |
| Alien: Covenant | 2017 film by Ridley Scott | 1 |
| Alien: Isolation | 2014 first-person survival horror stealth game | 1 |
| Alien Resurrection | 1997 American science-fiction film by Jean-Pierre Jeunet | 2 |
| Aliens | 1986 American science-fiction action film directed by James Cameron | 2 |
| Aliens: Colonial Marines | first-person shooter video game developed by Gearbox Software | 1 |
| Aliens versus Predator versus The Terminator | dark house comic | 1 |
| Aliens vs. Predator: Requiem | 2007 film directed by Colin Strause and Greg Strause | 1 |
| Alien vs. Predator | science-fiction horror media franchise | 1 |
| Alien vs. Predator | 2004 film directed by Paul W. S. Anderson | 1 |
| A Little Chaos | 2014 film by Alan Rickman | 1 |
| A Little Sacrifice | short story by Andrzej Sapkowski | 1 |
| A Little Soap and Water | 1935 film by Dave Fleischer | 1 |
| Alleyway | 1989 video game | 1 |
| All Good Things… | two-part episode of Star Trek: The Next Generation | 2 |
| All Good Things… | Book by Michael Jan Friedman | 6 |
| All Good Things… Part 2 | episode of Star Trek: The Next Generation (S7 E26) | 1 |
| All Grown Up! | 2003 to 2008 animated television series that continues from "Rugrats" | 1 |
| All Hail King Julien | animated television series | 1 |
| Alliances | Mission in Star Trek: Online | 1 |
| All in the Family | American television series (1971-1979) | 1 |
| All Star Batman & Robin, the Boy Wonder | comic book series | 1 |
| All Star Comics | comic book series | 1 |
| All-Star Superman | 2011 direct-to-video animated superhero film directed by Sam Liu | 1 |
| All That Glitters | Mission in Star Trek: Online | 1 |
| All the World's a Stage | episode of animated television series Star Trek: Prodigy | 1 |
| Alya Sometimes Hides Her Feelings in Russian | Japanese light novel series | 1 |
| Alzur's Legacy | 2019 film | 2 |
| Amazing Fantasy | comic book anthology | 1 |
| Amélie | 2001 film directed by Jean-Pierre Jeunet | 1 |
| American Beauty | 1999 American drama film directed by Sam Mendes | 2 |
| American Dad! | American animated comedic sitcom | 2 |
| American Gods | American television series | 1 |
| American History X | 1998 drama film directed by Tony Kaye | 1 |
| American Horror Story | American anthology horror television series | 13 |
| American Horror Story: 1984 | ninth season of American Horror Story | 8 |
| American Horror Story: Apocalypse | eighth season of American Horror Story | 2 |
| American Horror Story: Coven | third season of American Horror Story | 1 |
| American Horror Story: Murder House | first season of American Horror Story | 2 |
| American Pie | 1999 film by Paul Weitz and Adam Herz | 2 |
| American Pie | series of teen films | 1 |
| American Pie 2 | 2001 film by James B. Rogers | 2 |
| American Psycho | novel by Bret Easton Ellis | 1 |
| American Psycho | musical | 1 |
| American Psycho | 2000 film by Mary Harron | 1 |
| American Reunion | 2012 film by Jon Hurwitz and Hayden Schlossberg | 2 |
| American Wedding | 2003 film by Jesse Dylan | 2 |
| A Midsummer Night's Dream | play by William Shakespeare | 2 |
| Amok Time | episode of Star Trek: The Original Series (S2 E1) | 6 |
| Amos | book of the Bible | 1 |
| A Murder of Quality | book | 1 |
| Ancient Blood | Book by Diane Carey, from 1997 | 5 |
| And Another Thing... | Eoin Colfer novel | 1 |
| And Just Like That... | American comedy-drama television series | 1 |
| Andor | American space opera streaming television series | 9 |
| Andor: Paradigm | Book by Heather Jarman, from 2004 | 4 |
| Andrei Rublev | 1966 film by Andrei Tarkovsky | 1 |
| Andromeda | 2000-2005 Canadian-American science fiction television series | 1 |
| And the Winner Is... | episode of The Legend of Korra (S1 E6) | 1 |
| An Embarrassment of Dooplers | episode of Star Trek: Lower Decks | 1 |
| A New Spiritual Age | episode of The Legend of Korra (S2 E10) | 1 |
| Angel | American television series (1999-2004) | 5 |
| Angels & Demons | 2000 mystery-thriller novel by Dan Brown | 1 |
| Angels & Demons | 2009 American mystery thriller film directed by Ron Howard | 1 |
| Angie Tribeca | An American comedy television series created by Steve Carell and Nancy Walls Carell. | 1 |
| A Nightmare on Elm Street | horror film franchise | 1 |
| Animal Crossing | video game series developed by Nintendo | 2 |
| Animal Crossing | 2001 GameCube video game | 2 |
| Animal Crossing: Amiibo Festival | 2015 video game | 1 |
| Animal Crossing: City Folk | 2008 life simulation video game for Nintendo Wii | 2 |