- Dec 1 Kenneth "Ken" Berry, American actor (F Troop, Mayberry RFD, Mama's Family), dies at 85
- Dec 3 Philip Bosco, American actor (Trading Places, Lend Me a Tenor), dies at 88
- Dec 9 Melvin Dummar, American gas station attendant, claimant to the Howard Hughes estate, and subject of the film "Melvin and Howard", dies at 74
- Dec 16 Lee Leonard, American television personality (ESPN, CNN), dies at 89
Penny Marshall (1943-2018)
Dec 17 American actress (The Odd Couple; Laverne & Shirley), and director (Big; Awakenings; A League of Their Own), and producer (Cinderella Man), dies of diabetes complications at 75
- Dec 20 Donald Moffat, British actor (Logan's Run), dies at 87
- Dec 26 Sono Osato, American Japanese ballet dancer and actress, dies at 99
- Dec 28 June Whitfield, English comedian and actress (Terry and June, Absolutely Fabulous), dies at 93
- Dec 30 Mrinal Sen, Bengali film director (In Search of Famine), dies at 95