Donald Paul McCaslin (born August 11, 1966) is an American jazz saxophonist. He has recorded over a dozen albums as a bandleader in addition to many sideman appearances, including on David Bowie's final studio album, Blackstar (2016).
McCaslin was born in Santa Clara, California, on August 11, 1966. His father was a vibraphonist, and McCaslin played in his father's ensemble at the age of twelve. He had his own group in high school, which played three years at the Monterey Jazz Festival.
In 1987 McCaslin joined Burton's group and toured the world with him for four years. In 1991 he moved to New York City and was a member of Steps Ahead.
In November 2014, McCaslin played saxophone on David Bowie's single "Sue (Or in a Season of Crime)". Subsequently he would play saxophone on Bowie's 2016 album Blackstar.