Ronald Edward "Rahn" Coleman (born April 5, 1949) is an American record producer, musical director, arranger, orchestrator, composer, vocal coach, and pianist.

Coleman was born in San Francisco, California, and grew up in nearby Oakland, where he attended public school and began studying piano at age 4.

[1] Coleman has served as musical director, arranger, vocal coach and pianist for many notable singers, including: Aretha Franklin, Freda Payne, Nichelle Nichols, Michael Feinstein, Gladys Knight, Barry White, The Ojays, The Temptations, Tina Turner, Ray Charles, Ben Vereen, Marilyn McCoo, Billy Davis Jr., and Sarah Vaughan.

Coleman has toured nationally and internationally with Lou Rawls, Gladys Knight, Patti LaBelle, Joe Cocker, Marlena Shaw, Marvin Gaye, Tom Jones, Seals and Crofts, and Sammy Davis Jr.

[citation needed] He began collaborating with Sheldon Epps in 1991 as Music Director for Blues in the Night at the Los Angeles Theatre Center.