Arthenia Joyner (born February 3, 1943) is an American politician, attorney, and civil rights activist from Florida.
She served as a member of the Florida Senate for ten years, representing parts of the Tampa Bay Area from 2006 to 2016.
She was the Senate minority leader during her last two years in office.
Prior to being elected to the Senate, Joyner served three terms in the Florida House of Representatives, representing an eastern Tampa-based district from 2000 to 2006.