Mariana Klaveno (born 25 October 1979) is an American actress.
Klaveno was cast in HBO's True Blood in the role of Lorena, the vampire "maker" of the main character Bill Compton. She was nominated with the starring cast for the "Outstanding Performance by an Ensemble in a Drama Series" at the 16th Screen Actors Guild Awards in January 2010. She and her costar Stephen Moyer were awarded the "Holy Shit Scene of the Year" award at the Spike 2010 Scream Awards for their scene in season three where Bill turns Lorena's head around 180 degrees while having sex.
She starred in the Lifetime movie While the Children Sleep in the role of Abby Reed. She guest starred in the television series Standoff and ER. In 2012, Klaveno was cast in the series regular role of Peri Westmore in the Lifetime comedy-drama series Devious Maids. In 2014 she was cast as detective Janice Lawrence in the CBS crime drama series, Stalker.
Klaveno grew up with three siblings on a family-owned-and-operated farm in Washington state. She graduated magna cum laude from the University of Washington in Seattle with a B.A. in Theater. In 2012, Klaveno married longtime boyfriend, Luis A. Patiño, a graduate of UCLA School of Law.