Jerry Douglas (born as Gerald Calvin Douglas on May 28, 1956 in Warren, Ohio) is an American musician and Dobro player. He is often referred to as "Flux" by his peers, a nickname given to him by Ricky Skaggs, and as a result of his ability to play at amazing speeds with the slide.

In addition to his eleven solo releases and countless special projects, Douglas's stellar playing has graced over 1600 albums encompassing a wide range of musical styles. As a sideman, he has recorded with artists as diverse as Ray Charles, Peter Rowan, Béla Fleck, Emmylou Harris, Phish, Dolly Parton, Paul Simon, Ricky Skaggs, Bill Frisell, John Fogerty, Nanci Griffith, Tony Rice, Elvis Costello, and James Taylor, as well as performing on the landmark O Brother, Where Art Thou? soundtrack. As a producer, he has overseen albums by the Del McCoury Band, Maura O'Connell, Jesse Winchester and the Nashville Bluegrass Band. He has been part of such notable groups as The Whites, J. D. Crowe and the New South, the Country Gentlemen, and Strength in Numbers.

Since 1998, Douglas has been a key member of Alison Krauss and Union Station, touring extensively and playing on a series of platinum albums.

When not on the road with Alison Krauss + Union Station, Douglas tours with his band in support of his extensive body of work.

In 2004, the National Endowment for the Arts awarded Douglas a National Heritage Fellowship.

He has recently collaborated with Scottish fiddler Aly Bain serving as musical director and playing on the all-star roots-music summit Transatlantic Sessions III series for BBC Scotland.

Douglas' main instrument is a Beard Resonator Guitar. Douglas has received twelve Grammy Awards. He has also won the Country Music Association's 'Musician of the Year' award three times, in 2002, 2005 and 2007. Douglas was named Artist in Residence for the Country Music Hall of Fame in 2008.