Douglas Yeo (born 1955) is an American bass trombonist who played in the Boston Symphony Orchestra from 1985 to 2012, where he held the John Moors Cabot Bass Trombone Chair. He was also on the faculty of the New England Conservatory. In 2012 he retired from the BSO and accepted a position as professor of trombone at the Arizona State University School of Music, a position he held until 2016. In 2019, he was appointed to the faculty of Wheaton College (Illinois).