George Peternousek (Czech: Jirí Petrnoušek) (born March 11, 1947) is a former professional ice hockey player.
Born in Prague, Czechoslovakia, Peternousek later became a naturalized Dutch citizen and competed for the Netherlands national ice hockey team at both the 1980 Winter Olympics and the 1981 World Ice Hockey Championships.
A defenceman, Peternousek scored a goal and two assists in all 5 of Holland's games in Lake Placid.
He had two assists in 8 games at the World Championships the following year.
Peternousek played for seven years with Dutch club Tilburg Trappers.