Paranormalcy is a series of young adult urban fantasy novels by American author Kiersten White, beginning with the inaugural entry of the same name.

The first novel received numerous advance reviews from young-adult authors, and debuted at #7 on the New York Times Best Seller list in the "Children's Books—Chapter Books" category.

Paranormalcy follows the efforts of the International Paranormal Containment Agency (IPCA), a group tasked with policing various mythological beings who live secretly among humans.

To facilitate her work, White researched a number of mythological creatures, and wrote while listening to an Internet radio station "tailored to the mood of the book.

"[2] Carrie Ryan, author of The Forest of Hands and Teeth, stated that White had created a "perfect blend of light and dark," and applauded the "cunning wit" in the character of Evie.

[2] Aprilynne Pike gave particular praise to the romantic portions of the first book, while Lisa McMann stated that "strong characters, a clever premise, and a hilarious voice all team up to make Paranormalcy the most refreshing paranormal debut of the year.

[16] Author Sarah J. Maas gave the novel a glowing review, stating that it consistently held her attention, and calling Evie "the perfect blend of sass, smarts, and sensitivity".

[13] The first novel received a starred review from Publishers Weekly, which noted the story's fast pace and commended the "absorbing romance" between Lend and Evie.

"[19] In a review for Salt Lake City Weekly, Scott Renshaw commented on the young-adult paranormal genre, and remarked that "Paranormalcy refuses to wallow in the angst we might have come to expect from such tales."