Charles Randolph Grean (October 1, 1913 – December 20, 2003) was an American producer and composer.

Grean's first work was as a copyist in several big bands, including Glenn Miller, Artie Shaw, and Charlie Spivak. He worked at RCA Victor Records under Steve Sholes, producing country and Western recordings by such artists as Eddy Arnold, Pee Wee King, the Sons of the Pioneers, Texas Jim Robertson and Elton Britt. He was the arranger for the Nat King Cole recording of "The Christmas Song." In 1950, he wrote "The Thing," a popular song which reached number one on the charts in a version sung by Phil Harris. The same year he became the head of A&R at RCA Victor Records, passing over his previous superior, Sholes. In the early 1950s he formed a production company with Joseph Csida called Csida-Grean, a management company which had handled Arnold's career and produced his syndicated television show, Eddy Arnold Time.He passed away on December 20, 2003 at the age of 90. Quentin's Theme - The Charles Randolph Grean Sounde