Dantzig is a surname. Notable people with the surname include:
Tobias Dantzig (1884 – 1956), mathematician from Latvia, father of George Dantzig
George Dantzig (1914 – 2005), American mathematician who introduced the simplex algorithm
David van Dantzig (1900 - 1959), Dutch mathematician
Rudi van Dantzig (born 1933), Dutch choreographer, ballet dancer and writer
Jol Dantzig, American guitar player and designer, founder of Hamer Guitar company
