According to Official Guinness Records,
The largest confirmed audience for a game of ice hockey was 104,173 people at "The Big Chill at the Big House" between the University of Michigan and Michigan State University at Michigan Football Stadium in Ann Arbor, Michigan, USA, on 11 December 2010. An unofficial number of 113,411 was announced by the university as an estimate of all individuals present in the stadium for the match.
Mike Janela adjudicated.
For a complete list of 2010 records, please visit 2010 Guinness Records in United States.