Jhonattan Vegas (born 19 August 1984) is a Venezuelan professional golfer who plays on the PGA Tour.
Vegas was born in Maturín, Venezuela. He played college golf at the University of Texas, graduating with a degree in kinesiology. Vegas turned professional in 2008 and started playing the Nationwide Tour in 2009.
Vegas represented Venezuela in the 2009 Omega Mission Hills World Cup with Alfredo Adrian. They finished tied for 12th place.
Vegas won his first Nationwide Tour event in 2010 at the Preferred Health Systems Wichita Open. He finished the season 7th on the money list and earned his 2011 PGA Tour card, the first Venezuelan to do so.