Blatz (surname)

Blatz as a surname may refer to:
 * Jerome Blatz (1923–2009), Minnesota attorney and politician
 * Kathleen A. Blatz (born 1954), Minnesota judge and politician
 * Kelly Blatz (born 1987), American actor and singer
 * Valentin Blatz (1826–1894), German-American brewer and banker, founder of the Valentin Blatz Brewing Company
 * William E. Blatz (1895–1964), German-Canadian developmental psychologist