Joanna is an extinct town in Ralls County, in the U.S. state of Missouri.
The GNIS classifies it as a populated place.
[1] A post office called Joanna was established in 1895, and remained in operation until 1912.
[2] The community was named after Joanna Burnett, the mother of a local merchant.
This Ralls County, Missouri state location article is a stub.