Politicians
- David M. Turner (1917–2012), served in the Pennsylvania House of Representatives
- David Turner (politician) (born 1944), worked as a Canadian politician and teacher
- David Howell Turner (1885–1957), was a politician in Alabama
Scientists
- David W. Turner (born in 1927), a British physical chemist
- David G. Turner (born in 1945), a Canadian astronomer
- David H. Turner (born in 1941), an anthropologist at the University of Toronto
- David Turner (computer scientist) (1946–2023), a British computer scientist
Sportsmen
- David Turner (rower) (1923–2015), American rower who won an Olympic gold medal
- David Turner (cricketer) (born 1949), cricketer who played for Hampshire
- Deacon Turner (David L. Turner, 1955–2011), former American football running back
- David Turner (Canadian football) (born 1967), defensive back and kick returner
- Dave Turner (soccer, born 1903) (1903–1989), Canadian soccer player
- Dave Turner (footballer, born 1943) (born 1943), English midfielder who played for Brighton & Hove Albion and coached in Canada
- Dave Turner (footballer, born 1948) (born 1948), English full back who played for Southport
Fictional characters
- Dave Turner (Degrassi), a fictional character from the Canadian teen drama series Degrassi: The Next Generation
- David Turner (Neighbours), a fictional character from the Australian soap opera Neighbours
Other people
- David Turner, helped create the FreeType software tool, which was first used in 1996
- David Turner (businessman), an Australian business leader who led the Commonwealth Bank from 2010 to 2016
- David Turner (dramatist) (1927–1990), a British playwright
- David Turner (journalist) (born 1965), a British businessperson in the publishing industry
- David B. Turner, who tried to commit murder and suicide at Dow High School in Michigan in 2007