Elizabeth Avellán Veloz (born November 8, 1960) is a Venezuelan-born American film producer. 


Avellán was born in Caracas, Venezuela. Her grandfather, Gonzalo Veloz Mancera, created the first privately owned Venezuelan television station, Televisa. As a teenager, she and her family moved to Houston, United States, where she attended Rice University.

She is the current co-owner and vice president of Troublemaker Studios, the production company that she and her former husband, Robert Rodriguez, founded in 2000. Avellán was also executive producer of In and Out of Focus, a documentary about balancing motherhood and a career in the film business.

She married Robert Rodriguez in 1990, and the couple had five children together: sons Rocket Valentino (born 1995), Racer Maximiliano (born 1997), Rebel Antonio (born 1999), and Rogue Joaquin (born 2004), and daughter Rhiannon Elizabeth (born 2005). In April 2006, Avellán and Rodriguez announced plans to separate after sixteen years of marriage, and have since divorced.