- December 18: Unisys Corp. announces that it will move from Blue Bell, Pennsylvania into Two Liberty Place in Center City, Philadelphia. (Philadelphia Inquirer)
- December 16: KYW-TV news anchor Alycia Lane is arrested in New York City for assaulting a police officer. (AP)
- December 13: Former Philadelphia Phillies players, Lenny Dykstra and David Bell are linked to performance-enhancing drugs in the Mitchell Report during their time as Phillies players. Seven other former Phillies players were also named in the report. (Philadelphia Inquirer)
- December 4: Ed Stefanski is introduced as the new president and general manager of the Philadelphia 76ers. (Philadelphia Inquirer)
