- Dec 1 Andre Royal, linebacker (Carolina Panthers)
- Dec 1 Charlie Jones, wide receiver (San Diego Chargers)
- Dec 2 Alan Henderson, NBA forward (Atlanta Hawks)
- Dec 2 Chris Burns, Canadian CFL tackle (Calgary Stampeders, Hamilton Tiger-Cats & Ottawa Renegades), born in Greenwich, Connecticut
- Dec 2 James Willis, linebacker (Philadelphia Eagles)
- Dec 2 Sunjith Somasunder, cricketer (Karnataka & India ODI opening bat 1996)
- Dec 2 Zack Crockett, NFL running back (Indianapolis Colts)
- Dec 3 Eva Nemcova, WNBA forward/guard (Cleveland Rockers)
- Dec 3 Peter Wright, American 1500m freestyle (Olympics 1996)
- Dec 3 Bucky Lasek, American skateboarder
- Dec 4 Damien Covington, NFL linebacker (Buffalo Bills)
- Dec 4 Howard Eisley, NBA guard (Utah Jazz)
- Dec 4 Jassen Cullimore, Simcoe, NHL defenseman (Vancouver Canucks)
- Dec 4 Jude St John, CFL offensive linebacker (Hamilton Tiger Cats)
- Dec 4 Kerry Anne Guse, Brisbane Queensland, tennis star (1996 final Hobart)
- Dec 4 Ted Johnson, American inside linebacker (NE Patriots), born in Alameda, California
- Dec 5 Cliff Floyd, outfielder/1st base (Montreal Expos), born in Chicago, Illinois
- Dec 5 Kevin Sally, Canadian archer (Olympics 1996), born in Richmond Hill, Ontario
- Dec 5 Randolph Ross, Shelby NC, 110m hurdler
- Dec 5 Roderick Mullen, NFL defensive back (Green Bay Packers-Super Bowl 31)
- Dec 5 Stanislav Jasecko, hockey defenseman (Team Slovakia 1998)
- Dec 5 Mike Mahoney, American baseball player
- Dec 6 Brendan Garard, Australian field hockey halfback (Olympics 1996)
- Dec 6 Gary Bandy, NFL defensive end (Atlanta Falcons)
- Dec 6 James Logan, NFL linebacker (Seattle Seahawks)
- Dec 6 Mike Gruttadauri, corner (St Louis Rams)
- Dec 7 Bobby Schoonens, soccer player (RKC)
- Dec 7 Clay Shiver, American NFL center (Dallas Cowboys, Carolina Panthers), born in Tifton, Georgia
- Dec 7 Jordi Buritlo, Spanish tennis star
- Dec 7 Kevin Dogins, corner (Tampa Bay Buccaneers)
- Dec 8 Marco Abreu, Angolan footballer
- Dec 9 Fabrice Santoro, Tahiti, tennis star
- Dec 9 Paul Greene, Australian 100m/200m/400m (Olympics 1996)
- Dec 10 Marcos di Palma, Argentine racing driver
- Dec 11 Daniel Alfredsson, Grums Swe, NHL right wing (Ottawa Senators)
- Dec 11 Francisco Rodriguez, pitcher (Minnesota Twins), born in Brooklyn, New York
- Dec 11 Robert Robinson, CFL defensive linebacker (Winnipeg Blue Bombers)
- Dec 12 Greg Randolph, road cyclist (Olympics-74th-96), born in Denver, Colorado
- Dec 12 Jamal Willis, NFL running back (SF 49ers)
- Dec 12 John Walsh, NFL quarterback (Cin Bengals)
- Dec 12 Oliver Quass, WLAF kicker (Amsterdam Admirals)
- Dec 12 Nicky Eaden, English footballer
- Dec 12 Wilson Kipketer, Danish middle-distance runner
- Dec 12 Yeoryios Theodoridis, Greek sprinter
- Dec 13 Craig Sauer, NFL linebacker (Atlanta Falcons)
- Dec 14 Johnny Mcwilliams, tight end (Arizona Cardinals)
- Dec 14 Marcus Jensen, American baseball player
- Dec 15 Rodney Harrison, American NFL safety (San Diego Chargers), born in Markham, Illinois
- Dec 15 Stanislav Jasecko, Spisska Nova Ves, hockey defenseman (Team Slovakia)
- Dec 16 Charles Gipson, American baseball player
- Dec 16 Ċ½eljko Kalac, Australian soccer player
- Dec 17 Brian Williams, NFL linebacker (Green Bay Packers-Super Bowl 31)
- Dec 17 Dewayne Washington, cornerback (Minnesota Vikings)
- Dec 17 Don Davis, linebacker (New Orleans Saints)
- Dec 17 Ivan Pedroso, Cuba, long jumper (Olympic 4th 1992)
- Dec 18 Eric Unverzagt, NFL/WLAF linebacker (Sea Seahawks, Scotland Claymores)
- Dec 18 Jeff Nelson, Prince Albert, NHL center (Washington Capitals)
- Dec 18 Marcos Ondruska, South Africa, tennis star
- Dec 19 Warren Sapp, American NFL Hall of Fame defensive tackle (Tampa Bay Bucs), born in Orlando, Florida
- Dec 19 Waverly Jackson, American NFL player (Carolina Panthers), born in South Hill, Virginia
- Dec 20 Scott Slutzker, American football tight end (Indianapolis Colts), born in Oakland, California
- Dec 20 Jan Caloun, hockey forward (Team Czech Olympic gold 1998)
- Dec 20 Jonathan Wyatt, 5000m (Olympics 1996), born in Wellington, New Zealand
- Dec 21 Latroy Hawkins, American baseball player
- Dec 21 Dustin Hermanson, American baseball player
- Dec 22 Andrew Moore, WLAF tackle (Frankfurt Galaxy)
- Dec 22 Anthony Edwards, Australian rower (Olympics 1996)
- Dec 22 Kirk Maltby, Guelph, NHL right wing (Edmonton Oilers)
- Dec 22 Mike Thompson, NFL defensive tackle (Jacksonville Jaguars)
- Dec 24 Alvaro Mesen, Costa Rican footballer
- Dec 26 Burnell Roques, NFL wide receiver (Atlanta Falcons)
- Dec 26 Derrick Cullors, running back (New England Patriots)
- Dec 26 Esteban Fuertes, Argentine footballer
- Dec 27 Charles Way, NFL fullback (NY Giants)
- Dec 27 Dewayne Washington, NFL cornerback (Minnesota Vikings)
- Dec 28 Adam Clawson, US slalom canoeist (Olympic-19th-96), born in Salt Lake City, Utah
- Dec 28 Adam Vinatieri, US NFL placekicker (Amsterdam Admirals, NE Patriots), born in Yankton, South Dakota
- Dec 28 Jean-Francois Jomphe, Canadian professional ice hockey player (Anaheim), born in Havre-Saint-Pierre, Canada
- Dec 28 Jim Kitts, US NFL running back (Frankfurt Galaxy, Miami Dolphins), born in Portsmouth, Virginia
- Dec 28 Patrick Rafter, Australian professional tennis player (1993 USTA/Aptos California), born in Mount Isa, Australia
- Dec 28 Roberto Palacios, Peruvian footballer, born in Lima, Peru
- Dec 29 Malcolm Seabron, NFL wide receiver (Houston Oilers)
- Dec 29 Randy Neal, NFL linebacker (Cin Bengals)
- Dec 30 Kerry Collins, NFL quarterback (Carolina Panthers)
- Dec 30 Loren Meyer, NBA center (Phoenix Suns, Dallas Mavericks)
- Dec 30 Paul Keegan, Irish footballer
- Dec 31 Chris Parker, running back (Jacksonville Jaguars)
- Dec 31 Cole Ford, NFL kicker (Oakland Raiders)
- Dec 31 Kelvin Kinney, defensive end (Washington Redskins)