Donald Warren "D.W." Moffett (born October 26, 1954) is an American film, stage, and television actor. Moffett began his career in stage productions in Chicago before starring in the original New York City production of Larry Kramer's The Normal Heart in 1985. He subsequently starred in a Broadway production of The Boys of Winter the same year. He made his feature film debut in Bob Rafelson's thriller Black Widow (1987) before portraying a serial killer in the thriller Lisa (1990).

Moffett had a supporting role in Bernardo Bertolucci's drama Stealing Beauty (1996), and went on to star in the network series For Your Love (1998–2002). Other film credits from this time include Steven Soderbergh's Traffic (2000), which earned Moffett a Screen Actors Guild Award for Outstanding Performance by a Cast in a Motion Picture, and the coming-of-age drama Thirteen (2003). Beginning in 2008, Moffett had a recurring role on the NBC drama series Friday Night Lights, appearing in two seasons. From 2011 to 2017, he starred as John Kennish on the ABC Family series Switched at Birth.