Johnnie Ruth Clarke (born July 28, 1919, died May 15, 1978) was an American activist, teacher, and humanitarian.
She was a participating member of many different societies and has been credited as the first African-American to obtain a doctorate from the University of Florida's College of Education.
She served as dean of Gibbs Junior College and as assistant dean of academic affairs at St.
Petersburg Junior College, which offers a scholarship in her name.
The Johnnie Ruth Clarke Health Center was also named after her.