Dowker is a surname. Notable people with the surname include:
Clifford Hugh Dowker (1912–1982), Canadian mathematician Fay Dowker (born 1965), British physicist Felicity Dowker (born 1980), Australian fantasy writer Hasted Dowker (1900–1986), Canadian Anglican priest Ray Dowker (1919–2004), New Zealand cricketer Yael Dowker (1919–2016), Israeli-English mathematician
See also Dowker Island, is an uninhabited island in Lake Saint Louis, a widening of the Saint Lawrence River south of Montreal Island, Quebec Dowker notation, is mathematical notation Dowker space, is mathematical field of general topology The Haunting of Hewie Dowker, is an Australian film