Blach

Blach is a surname, from Old High German translating to the English word "black". It can also be a typo or misspelling of "black". Notable people with the name include:


 * Arne Blach (1900–1977), Danish field hockey player
 * Ejvind Blach (1895–1972), Danish field hockey player
 * Helena Blach Lavrsen (born 1963), Danish curler and Olympic medalist
 * Niels Blach (1893–1979), Danish field hockey player
 * Ty Blach (born 1990), American baseball pitcher