Nicki Lynn Aycox (May 26, 1975 – November 16, 2022) was an American actress and musician, known for her roles in Supernatural, Cold Case, Jeepers Creepers 2, Perfect Stranger and The X-Files: I Want to Believe.

[2] Aycox's early acting appearances included 3rd Rock from the Sun, USA High, Boy Meets World, The X-Files and a recurring role in Providence.

In 2007, Aycox appeared in the thriller film Perfect Stranger, alongside Halle Berry and Bruce Willis, as a woman trying to blackmail a wealthy advertising executive.

In July 2009, Aycox began to portray the character Jaimie Allen (an undercover LAPD police officer) in the TNT action/drama series Dark Blue.

[11][12] Tributes were paid by Supernatural creator Eric Kripke, and by actors on the show, including Jim Beaver, Mark Pellegrino, Rachel Miner and Richard Speight Jr.[13] Aycox was married to Matt Raab.