David Benjamin Krynzel (born November 7, 1981 in Dayton, Ohio) is a former Major League Baseball outfielder. He made his major league debut on September 1, 2004.
Krynzel was drafted in the 1st round (11th overall) of the 2000 Major League Baseball Draft and spent seven years in the Milwaukee Brewers farm system before being traded to the Arizona Diamondbacks on November 25, 2006, with Doug Davis and Dana Eveland to Arizona, for Johnny Estrada, Greg Aquino, and Claudio Vargas. On April 8, 2008, the Diamondbacks released him. He signed a minor league contract with the Baltimore Orioles in December 2008.