William Arnold Cupolo (January 8, 1924 – December 7, 2005) was a Canadian ice hockey right winger.
He played 47 games in the National Hockey League for the Boston Bruins during the 1944–45 season.
He began his career at Memorial School and graduated to play minor hockey in the Falls.
Cupolo went to enlist in the armed forces but was diagnosed with tuberculosis and faced a 14-month recovery.
This biographical article relating to a Canadian ice hockey winger born in the 1920s is a stub.