Rheta Grimsley Johnson (born 1953) is an American reporter and columnist for King Features Syndicate of New York.
Johnson travels the country in search of stories, frequently reporting from her native South, with datelines from Washington, D.C., to Iuka, Mississippi.
From 1980 until 1994, when she joined the Atlanta Journal-Constitution, she was a reporter and columnist for The Commercial Appeal in Memphis, Tennessee, and Scripps Howard News Service.
In 2010 she received the Clarence Cason Award in Nonfiction Writing from the University of Alabama's journalism department.
She was formerly married to Jimmy Johnson, creator of the Arlo and Janis comic strip that appears in many U.S. newspapers.