David or Dai Rees may refer to:
Entertainment David Rees (author) (1936–1993), British children's author Dave Rees (born 1969), American drummer for SNFU and Wheat Chiefs David Rees (cartoonist) (born 1972), American cartoonist and television host
Sports Dai Rees (rugby, born c. 1885), Welsh rugby league footballer who played in the 1900s Dai Rees (rugby, 1920s), Welsh rugby union and rugby league footballer who played in the 1920s and 1930s, and coached rugby league in the 1930s to the 1960s Dai Rees (1913–1983), Welsh golfer David Rees (British cross-country skier) (born 1940), British cross-country skier David Rees (Canadian cross-country skier) (born 1943), Canadian cross-country skier Dai Rees (rugby union, born 1964), Welsh rugby union footballer who played in the 2000s, and coached in the 2000s and 2010s David Rees (rugby union, born 1974), English rugby union footballer who played in the 1990s and 2000s
Other David Rees (Y Cynhyrfwr) (1801–1869), Welsh Nonconformist minister and editor David Rees (mathematician) (1918–2013), British mathematician Sir Dai Rees (biochemist) (1936–2021), British biochemist and science administrator D. Ben Rees (David Benjamin Rees, born 1937), Welsh-language publisher and leader of the Welsh community in Liverpool David Rees (politician) (born 1957), member of the National Assembly for Wales David Rees (organic chemist) (born 1958), British organic chemist and chief scientific officer at Astex
See also David Rees-Williams, 1st Baron Ogmore (1903–1976), British politician Rees for people with this surname David Reese (disambiguation) David Reece (born 1960), American singer