The majority of these fics are WiP.

Familiarity by Likhoradka
Dean finds out he's a witch. Castiel is his familiar.
Links: http://archiveofourown.org/works/652727 | http://www.fanfiction.net/s/8940019/1/Familiarity

My Familiar (Destiel) by Angelanddem0n (http://www.fanfiction.net/u/5249520/Angelanddem0n)
Dean was just a normal college boy until his brother came back from class with a dog. Suddenly everything is different and danger's everywhere. Destiel fanfic. familair!cas, witch!dean
Supernatural - Rated: M - English - Romance/Suspense - Chapters: 3 - Words: 2,054 - Reviews: 1 - Favs: 1 - Follows: 5 - Updated: 10-27-13 - Published: 10-22-13 - Sam W., Dean W., Castiel
Link: http://www.fanfiction.net/s/9786283/1/My-Familiar-Destiel

Pretty Bird by floralstiel
Dean is a wiccan from Detroit, and Cas is his familiar. They kind of have a rough start...
Link:http://archiveofourown.org/works/702312

Alight by DahliaSheng
AU. After a near-fatal encounter with a witch, Dean finds himself unexpectedly bound to a familiar, of all things.
Links: http://archiveofourown.org/works/993691 | http://www.fanfiction.net/s/9744446/1/Alight

Which Witch Is Which by hearts_reflection
A witch/familiar AU featuring 19 year old Dean who doesn't know he's got magic, Castiel as a familiar, and a bunch of people claiming to be something they aren't.
Link: http://archiveofourown.org/works/1068215

Inverse of Request (witch!Cas, familiar!Dean):
Witch/Familiar AU series by Fawkes
Links: http://archiveofourown.org/series/57889 | http://www.fanfiction.net/s/9723944/1/

Ramble On by geekery-pokery (http://www.fanfiction.net/u/3908711/geekery-pokery)
AU: Sam and Dean are two familiars who become Bonded to Castiel and Gabriel, a pair of powerful witches who live together. Destiel, Sabriel.
Supernatural - Rated: T - English - Supernatural - Chapters: 9 - Words: 36,979 - Reviews: 19 - Favs: 47 - Follows: 76 - Updated: 7-10-13 - Published: 5-3-13 - Sam W., Dean W., Castiel, Gabriel
Link: http://www.fanfiction.net/s/9260294/1/Ramble-On

Familiar by thewinchesterlifestyle (http://www.fanfiction.net/u/4669796/thewinchesterlifestyle)
He used to scoff when Sammy would talk about his witch. The 'connection' because how could what was essentially a stranger click everything into place? But Dean would die for Cas. And Cas would die for him. Familiar!Dean, Witch!Castiel
Supernatural - Rated: M - English - Romance/Supernatural - Chapters: 1 - Words: 1,955 - Reviews: 2 - Favs: 26 - Follows: 3 - Published: 6-16-13 - Dean W., Castiel - Complete
Link: http://www.fanfiction.net/s/9397999/1/Familiar

You Were Something I Never Expected by fangirlsupreme
Winchester familiars were extremely powerful and sought after, but Dean had always swore up and down that he would never be bound to a witch. Everything changes when he meets Castiel. Injured in his familiar form, Dean gets taken in by an out of touch witch. A whirlwind surrounds them as the shit storm that is Dean's life begins to catch up with him, but there is no doubt in his mind that they will make it out in the end.
Link: http://archiveofourown.org/works/1022735 | Status: complete (Words: 51,575)

Edited 2013-12-03 06:02 am (UTC)