Smithsonia, also known as Cave Springs, is an unincorporated community in Lauderdale County, in the U.S. state of Alabama.

It was then named Smithsonia, in honor of Columbus Smith, a landowner and merchant following the American Civil War.

[2] Smith operated a ferry, general store, grist mill, and cotton gin in Smithsonia.

[3] A post office was in operation under the name Smithsonia from 1886 to 1927.

This Lauderdale County, Alabama state location article is a stub.