The 51st Academy of Country Music Awards were held on April 3, 2016, at the MGM Grand in Las Vegas, Nevada. Nominations for the 51st Academy of Country Music Awards were announced on February 1, 2016. Luke Bryan returned to host for his fourth consecutive year, with Dierks Bentley as his cohost for the first time.

Frederick Dierks Bentley is an American country music singer and songwriter. In 2003, he signed to Capitol Nashville and released his eponymous debut album. Both it and its follow-up, 2005's Modern Day Drifter, are certified Platinum in the United States, and his third album, 2006's Long Trip Alone, is certified Gold. It was followed in mid-2008 by a greatest hits package. His fourth album, Feel That Fire, was released in February 2009, and a bluegrass album, Up on the Ridge, was released on June 8, 2010. His sixth album, Home, followed in February 2012, as did a seventh one, Riser, in 2014. Bentley's eighth album, titled Black, was released in May 2016, and his ninth, The Mountain, was released in June 2018. His tenth studio album, Gravel & Gold, was released in February 2023.