Johan Arnoldus "Hans" Muller (24 January 1937 – 1 July 2015)[1] was a Dutch water polo player.

He competed in the 1960 and 1964 Summer Olympics and finished eighth on both occasions.

He was the Dutch team manager at the 1972 Olympics and a board member of the Dutch Olympic Committee from May 1985 to May 1989.

He owned a dress store, which for many years provided clothing for the Dutch Olympic team.

This biographical article relating to a Dutch water polo figure is a stub.