Maurice Blitz (28 July 1891 – 2 February 1975) was a Belgian Olympic water polo player during the 1920s. He was born in Île-de-France, Paris. He was the older brother of sporting champion Gérard Blitz, and father of Gérard Blitz who founded Club Med in 1950.
Maurice Blitz and his brother Gérard were both member of the Belgian water polo national team who won silver in two consecutive olympic events, in 1920 and 1924.