Richard Thomas Calhoun, known professionally as Moon Calhoun, is an American singer, songwriter, drummer, and percussionist from Tulsa, Oklahoma. He became a prominent session musician in the West Coast music scene in Los Angeles. Calhoun's career includes collaborations with notable artists and groups such as the Gap Band, Chaka Khan, and Ray Parker Jr., among others. He was also a member of the Michael Thompson Band, Rufus & Chaka Khan, and The Strand.

Calhoun's musical journey began in Tulsa, where he earned the nickname "Moon" from singer Leon Russell due to his distinctive drawl. At 19, he moved to Los Angeles, drawn by the vibrant music scene, and became involved in the rock and R&B genres. Despite a period of hard living marked by alcohol and drug use, Calhoun turned his life around by joining Alcoholics Anonymous, settling down with his wife June, and focusing on songwriting.

Tragically, in September 1994, Calhoun suffered a severe bicycle accident that left him a C-6 quadriplegic, impacting his ability to play music. Despite the physical challenges, Calhoun remains hopeful about his recovery and return to music, supported by his peers in the industry. Throughout his career, he has contributed to numerous albums, showcasing his talents in drums, percussion, vocals, and songwriting.