The Geraldton Acorns are a men's professional ice hockey team from the Thunder Bay, Ontario area. The Acorns were originally a franchise from 1901-1935, but the team that is now called the Acorns is commonly known as the modern Geraldton Acorns. The modern team has qualified for 2 Donavan Cup Championship Series, winning the 2011 edition of the series. They play their home games at Ronaldo Arena.