David Merle Dalby (October 19, 1950 – August 30, 2002) was an American football center.
Dalby was a star linemen at center and defensive end, who led his high school football team, the La Serna Lancers, of Whittier, California, to the California Scholastic Federation AAA Football Championship in 1967.
An All Around athlete in high school, Dalby also played basketball and baseball at La Serna High School.