The Plaquemine Post South is a weekly newspaper published in Plaquemine, Louisiana. It is owned by Gatehouse Media. The Plaquemine Post South is a member of the Louisiana Press Association. News content for the publication is based in the City of Plaquemine, but also includes the Iberville Parish area.
The Plaquemine Post South was established in 1881 by Mary E. Hebert. The current editor is Andrew Green. The newspaper has a long history of winning Louisiana Press Association awards.