Chalker is a surname. Notable people with the surname include:
Curly Chalker (1931–1998), American musician
Dennis Chalker (born 1954), United States Navy sailor, inventor and writer
Jack Bridger Chalker (born 1918), English artist
Jack L. Chalker (1944–2005), American writer
Lynda Chalker, Baroness Chalker of Wallasey (born 1942), British politician
Will Chalker (born 1980), English model