- Dec 4 Brian Prout, American singer (Diamond Rio - "Meet In The Middle"), born in Troy, New York
- Dec 4 Cassandra Wilson [née Fowlkes], American jazz singer-songwriter, born in Jackson, Mississippi
- Dec 6 Bill Lloyd, American country music singer (Foster & Lloyd - "Crazy Over You"), born in Bowling Green, Kentucky
- Dec 6 Bright Sheng, Chinese-American concert pianist, composer (Never Far Away; Hot Pepper), conductor, and music teacher, born in Shanghai, China
- Dec 6 Rick Buckler, British rock drummer (The Jam), born in Woking, Surrey, England
- Dec 6 Tish Hinojosa, American country singer ("Something in the Rain"), born in San Antonio, Texas
- Dec 8 Kasim Sulton, American session and touring bass guitarist (Utopia; Todd Rundgren; Meatloaf), born in Staten Island, New York
- Dec 8 Nathan East, American jazz, R&B, and rock session and touring bass player (Fourplay; Phil Collins), born in Philadelphia, Pennsylvania
- Dec 9 Chamras Saewataporn, Thai composer and musician, born in Bangkok, Thailand
- Dec 10 Garth Smith [Davies], British punk rock bassist (Buzzcocks), born in Tyldesley, Lancashire, England
- Dec 15 Paul Simonon, British rock bassist (The Clash; Havana 3 AM), and visual artist, born in Thornton Heath, Surrey, England
- Dec 20 Ed Kuepper, Australian guitarist and singer-songwriter (The Saints), born in Bremen, Germany
- Dec 21 Kazuyuki Sekiguchi, Japanese musician, born in Agano, Niigata Prefecture
- Dec 21 Peter Oundjian, Canadian-American violinist (Tokyo String Quartet, 1981-95), conductor. (the Amsterdam Sinfonietta, 1998-2003; Toronto Symphony, 2004-18; Royal Scottish, 2012-18; Colorado Symphony, 2022-present), and educator, born in Toronto, Ontario
- Dec 29 Jan Pijnenburg, Dutch rock drummer (Doe Maar - "Bomb"), born in Vught, Netherlands
- Dec 29 Neil "Spyder" Giraldo, American rock guitarist, arranger, and producer (Pat Benatar Band), born in Cleveland, Ohio
- Dec 30 Dindo Yogo [Mabeli], Congolese singer and musician, known as La Voix Cassée, born in Lokutu, Belgian Congo (d. 2000)
About December 1955
How Old? 68 years old
Generation: Baby Boomer
Leap Year: No
Chinese Zodiac: Goat/Sheep
Star Signs: Sagittarius (Nov 22 - Dec 21), Capricorn (Dec 22 - Jan 19)
Country Singers
Jazz Singers
Opera Singers
Pop Singers
Rappers
Rock Singers