- Dec 1 Four sets of brothers play in one NHL game when Chicago Blackhawks beat NY Rangers, 4-1; Lynn & Muzz Patrick and Neil & Mac Colville (Rangers); Max & Doug Bentley and Bob & Bill Carse (Chicago)
- Dec 7 CFL Grey Cup (Game 2), Lansdowne Park, Ottawa: Ottawa beats Toronto Balmy Beach, 12-5
- Dec 8 National Football League Championship, Griffith Stadium, Washington, D.C.: Chicago Bears beat Washington Redskins, 73-0; most one-sided victory in NFL history; first NFL title game broadcast on national radio
Harmon 1st Draft Pick
Dec 10 1941 NFL Draft: Tom Harmon from University of Michigan first pick by Chicago Bears
Connie Mack Acquires Athletics
Dec 20 Connie Mack acquires controlling interest in the Athletics for $42,000
Bradman's Christmas Duck
Dec 25 Cricket master batsman Don Bradman is dismissed for a Xmas Day first ball duck (0) for South Australia v Victoria in a Sheffield Shield match at the Adelaide Oval