- Dec 1 Sandy Nelson, American rock drummer ("Teen Beat"; "Let There Be Drums"), born in Santa Monica, California (d. 2022)
- Dec 3 José Serebrier, Uruguayan conductor and composer (Star Wagon; Passacaglia and Perpetuum Mobile), born in Montevideo, Uruguay
- Dec 4 Yvonne Minton, Australian-British soprano, born in Sydney, Australia
- Dec 5 J. J. Cale, American rock guitarist and songwriter ("After Midnight": "Call Me The Breeze"; "Cocaine"), born in Oklahoma City, Oklahoma (d. 2013)
- Dec 6 Oxana Yablonskaya, Russian concert pianist, and music professor (Juilliard School, 1978-2009), born in Moscow, USSR
- Dec 9 William Thomas McKinley, American composer and jazz pianist, born in New Kensington, Pennsylvania (d. 2015)
- Dec 10 Yuri Temirkanov, Russian conductor (Kirov Opera and Ballet Theatre, 1976-88; Baltimore Symphony, 2000-06), born in Nalchik, Russia, USSR (d. 2023) [1]
- Dec 11 Enrico Macias, Algerian-French singer, born in Constantine, Algeria
- Dec 11 McCoy Tyner, American jazz pianist (John Coltrane Quartet), born in Philadelphia, Pennsylvania (d. 2020)
- Dec 12 Joel Chadabe, American electronic music composer, born in New York City (d. 2021)
- Dec 13 Alvin Curran, American composer (Inner Cities; I Dreamt John Cage Yodeling at the Zurich Hauptbahnhof), born in Providence, Rhode Island
- Dec 13 Heino [Heinz Georg Kramm], German schlager and traditional volksmusik singer, born in Düsseldorf-Oberbilk, Germany
- Dec 13 Tony Gomez, British rock keyboardist (The Foundations - "Baby Now That I've Found You"; "Build Me Up Buttercup"), born in Colombo, Ceylon (now Sri Lanka) (d. 2015)
- Dec 17 Carlo Little, English rock drummer (Screaming Lord Sutch & the Savages), born in Shepherd's Bush, London, England (d. 2005)
- Dec 18 [Bryan] Chas Chandler, English rock bassist (The Animals - "House of the Rising Sun"), and manager of Jimi Hendrix, born in Newcastle upon Tyne, England (d. 1996)
- Dec 20 John Harbison, American composer (The Flight Into Egypt; The Great Gatsby), born in Orange, New Jersey
- Dec 21 Roland Coryn, Belgian violist, composer, and music educator, born in Kortrijk, Belgium
- Dec 25 David Borden, American jazz and minimalist keyboard player and composer, born in Boston, Massachusetts
- Dec 28 Bruce Yarnell, American actor (Outlaws) and singer, born in Los Angeles, California (d. 1973)
- Dec 28 Dick Sudhalter, American jazz trumpeter, and writer, born in Boston, Massachusetts (d. 2008)
About December 1938
How Old? 85 years old
Generation: Silent Generation
Leap Year: No
Chinese Zodiac: Tiger
Star Signs: Sagittarius (Nov 22 - Dec 21), Capricorn (Dec 22 - Jan 19)