David Matthew Newhan (born September 7, 1973, in Fullerton, California) is an American Major League Baseball player-coach in the Philadelphia Phillies organization. He bats left-handed and throws right-handed.

Newhan's father is Ross Newhan, a Hall of Fame baseball writer first for the Long Beach Press-Telegraph, then for the Los Angeles Times, and the 2000 recipient of the Hall of Fame's J. G. Taylor Spink Award, who spent 44 years as a sportswriter in the Los Angeles area covering the Angels, the Dodgers, and the national baseball scene until his retirement in 2004.

Newhan was an infielder at Esperanza High School in Anaheim, California. He starred in high school, but only received scholarship offers at the Division II level.