Gwendolyn Zepeda (born in Houston, Texas) is an American author.

In June 1997, Zepeda started an online journal called Gwen's Trailer Trash Page. It eventually evolved into Gwen's Petty, Judgmental, Evil Thoughts. She is notable as one of the first bloggers to write and sell a book, and also as a Latina author and blogger.

Her first book, To the Last Man I Slept with and All the Jerks Just Like Him, was a short story collection published by Arte Publico Press in 2004.