A list of Notable Fanfiction Archives. The only requirement to be on this list is that it only covers one fandom. Multi-Fandom Archives, naturally enough, go on Multi-Fandom Archives.
Battlestar Galactica (2003)
Buffy the Vampire Slayer
- DarkLordPotter.net: A site dedicated to high quality Harry Potter fanfiction of all kinds. Usually leans towards darker stories, as the name suggests, but it's not exclusively devoted to that genre.
- HarryPotterFanfiction.com: The oldest and biggest Harry Potter fanfiction archive.
- Fiction Alley: Active since 2001 and famously founded after the Cassandra Clare plagiarism debacle.
- Lumos: A quality fandom archive with sub-archives for various HP characters.
- Simply Undeniable: A Hermione/Ron, Harry/Ginny archive.
- Ginny Potter.com: Mostly Harry/Ginny, but hosts other Harry Potter fanfiction.
- PhoenixSong.net: An archive for canon pairings, mainly Harry/Ginny and Ron/Hermione.
- The Quidditch Pitch: A general fanfic archive.
- The Unknowable Room: A general fanfic archive created and populated mainly by James/Lily writers.
- Sink Into Your Eyes: Again, mostly Harry/Ginny.
- / Fire and Ice Archive: An archive exclusively for Draco/Ginny fanfiction.
- Potions and Snitches: An archive for fics featuring the gen relationship between Snape and Harry. This archive bans all Harry/Snape Slash (but accepts slash of other kinds so long as the primary focus of the fic is Harry and Snape's gen relationship) and all MA rated fic.
- Portkey: A Harry/Hermione, Ron/Luna, Draco/Ginny, and Lily/James fanfiction archive, though the first makes up most of the stories on the site.
- The Hex Files: A Harry/Draco slash and gen archive. Other pairings/couples/etc are allowed, but the focus has to be Harry/Draco.
- The Silver Snitch: An archive for any and all Harry Potter slash. Mostly Snape/Harry and Draco/Harry fics, but there's others too.
- Hawthorn & Vine: A Draco/Hermione archive. Notable for having a large amount of tags to choose and/or exlcude in order to find a very specific type of story or characterization.
Jackie Chan Adventures
Kuroko no Basuke
- shootswishscore: Membership is required to view the various fanfics, but absolutely anyone is welcome to join.
Lois & Clark
My Little Pony: Friendship Is Magic
Once Upon a Time
The Order of the Stick
The Phantom of the Opera
Phineas and Ferb
- AGNPH Fiction: Site is NSFW, be warned.
- The Road You Choose: written by Skylight Sparkle on Fanfiction.net, an incredible series of well written stories implementing Aura, aging, and Misty.
Red vs. Blue
Repo! The Genetic Opera
L. J. Smith
Super Mario Bros.
- Lemmy's Land: A fanfiction archive (which also features Fan-Art and webcomics), all about the Mario world.
- SMW Central: An archive of all types of Mario fanwork, especially ROM Hacks. Unique in that it has strict quality control standards. However, some fanworks that were rejected can still be downloaded from SMWC, including Hammer Brother.
Team Fortress 2
That Guy with the Glasses
The Thing (1982)
The West Wing
Tolkien's Legendarium (including The Lord of the Rings)
- Otk-expert fanfic section: The fictions here are settled either in one of the universes of the series or originals one, almost all of them featuring some kind of duels(the others are related by telling stories of the monsters of the game).In French