- Joplin, Janis Joplin - United States singer who died of a drug overdose at the height of her popularity (1943-1970)
--1 is a kind of singer, vocalist, vocalizer, vocaliser
- Joplin, Scott Joplin - United States composer who was the first creator of ragtime to write down his compositions (1868-1917)
--2 is a kind of composer