- Dec 1 Orton Enderlein, German [GDR] luger (Olympic gold women's singles 1964; World C'ships gold 1965, 67)), born in Trünzig, Sachsen, Germany
- Dec 4 Gary Sabourin, Canadian ice hockey right wing (NHL All Star 1970-71; St. Louis Blues), born in Parry Sound, Ontario
- Dec 10 Lajos Szűcs, Hungarian soccer defender (37 caps; Ferencváros, Honvéd FC; Hungarian Footballer of the Year 1976; Olympic gold 1968), born in Apatin, Hungary (d. 2020)
- Dec 11 Michael McCaskey, American football executive (Chicago Bears president 1983-98; chairman 1999-2011), born in Lancaster, Pennsylvania (d. 2020)
- Dec 12 Pete Livesey, English rock climber, born in Huddersfield, England (d. 1998)
- Dec 15 Mihály Hesz, Hungarian sprint canoeist (Olympic gold K-1 1000 1968; World C'ship gold K-1 10000 1966; K-1 4x500 1971), born in Nógrád, Hungary
- Dec 21 Walter Spanghero, French rugby union #8, lock, flanker (51 caps; RC Narbonne RFC, Stade Toulouse RFC), born in Payra-sur-l'Hers, France
- Dec 25 Hedley Howarth, New Zealand cricket spin bowler (30 Tests, 86 wickets; Auckland CA), born in Auckland, New Zealand (d. 2008)
- Dec 25 Wilson Fittipaldi Jr, Brazilian auto racer (38 x F1 GP) and team owner (Fittipaldi F1 team), born in São Paulo, Brazil (d. 2024)
About December 1943
How Old? 80 years old
Generation: Silent Generation
Leap Year: No
Chinese Zodiac: Goat/Sheep
Star Signs: Sagittarius (Nov 22 - Dec 21), Capricorn (Dec 22 - Jan 19)
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions