Events in Sport
- Dec 7 CFL Grey Cup, AAA Grounds, Hamilton: Winnipeg Pegs (later Blue Bombers) defeat Hamilton Tigers, 18-12
- Dec 9 1st Heisman Trophy Award: Jay Berwanger, Chicago (HB)
Event of Interest
Dec 10 As sell Jimmie Foxx to the Red Sox for $150,000

Jimmie Foxx
NFL Championship
Dec 15 National Football League Championship, University of Detroit Stadium: Detroit Lions beat New York Giants, 26-7; Lions first title

Mel Hein
- Dec 15 In a major upset, Dutch grand master Max Euwe becomes world chess champion beating Russian Alexander Alekhine (9 wins, 13 draws, 8 losses) in Zandvoort, Netherlands
Event of Interest
Dec 18 Don Bradman scores 117 in his debut Sheffield Shield cricket match for South Australia in an innings & 5 run win over his old team, New South Wales

Donald Bradman
Birthdays in Sport
- Dec 1 Roger Christian, American ice hockey left wing (Olympic gold 1960; Christian Brother's Hockey Sticks), born in Warroad, Minnesota (d. 2011)
- Dec 4 Fred Rumsey, English cricket fast bowler (5 Tests, 17 wickets; founded Professional Cricketers Association 1967), born in London, England
- Dec 5 Yury Vlasov, Soviet weightlifter and writer, born in Makeyevka, Ukrainian SSR
- Dec 8 Tatiana Zatulovskaya, Israeli chess player (Women's Soviet Chess Championship 1960, 62, 63), born in Baku, Azerbaijan Soviet Socialist Republic, USSR (d. 2017)
- Dec 10 Terry Allcock, English footballer (Norwich City), born in Leeds, England
- Dec 13 Joe Christopher, American baseball player, born in Frederiksted, U.S. Virgin Islands
- Dec 13 Lindy McDaniel, American baseball pitcher (MLB All Star 1960; NL saves leader 1959, 60, 63), born in Hollis, Oklahoma
- Dec 13 Arthur Summons, Australian rugby union fly-half (10 Tests; Gordon RFC) and rugby league five-eighth (9 Tests; Western Suburbs RLFC), born in Sydney, Australia (d. 2020)
- Dec 14 Butch [David William] White, English cricketer (England opening attack Brown & White v Pak 1961), born in Sutton Coldfield, Warwickshire
- Dec 17 Cal Ripken Sr, American MLB manager (Baltimore Orioles), born in Aberdeen, Maryland (d. 1999)
- Dec 19 Tony Taylor, Cuban baseball second baseman (MLB All Star 1960²; Chicago Cubs, Philadelphia Phillies, Detroit Tigers), born in Central Álava, Cuba (d. 2020)
- Dec 20 Khalid "Billy" Ibadulla, Pakistani cricket batsman (4 Tests; 1 x 100; Warwickshire, Otago) and broadcaster (TVNZ), born in Lahore, Pakistan
- Dec 21 Lorenzo Bandini, Italian racecar driver, born in Marj, Libya (d. 1967)
- Dec 22 Oleg Alekseyevich Protopopov, Russian pairs skater (Olympic gold 1964, 68), born in Saint Petersburg, Russia
- Dec 23 Paul Hornung, American College Football Hall of Fame halfback (Heisman Trophy 1956, Notre Dame; Pro Bowl 1959, 60, Green Bay Packers), born in Louisville, Kentucky
- Dec 25 Al Jackson, American MLB player (New York Mets), born in Waco, Texas (d. 2019)
- Dec 26 Barbara J Jacket, US athletic coach (Olympics 1972)
- Dec 26 Rohan Kanhai, cricketer (one of West Indies' finest batsmen)
Sandy Koufax
Dec 30 Sandy Koufax, American Baseball Hall of Fame pitcher (7 × MLB All-Star; World Series 1955, 59, 63, 65; perfect game 1967; Cy Young Award 1963, 65, 66; Triple Crown 1963, 65, 66; LA Dodgers), born in Brooklyn, New York

Sandy Koufax
- Dec 31 Peter Allan, Australian cricketer (1 Test Australia v England 1965, 2-58 & 0-25), born in Brisbane, Australia