The 2018 Southern League was a Class AA baseball season played between April 5 and September 3. Ten teams played a 140-game schedule, with the top team in each division in each half of the season qualifying for the post-season.
The Jackson Generals won the Southern League championship, defeating the Biloxi Shuckers in the playoffs.
Teams
| 2018 Southern League |
| Division | Team | City | MLB Affiliate | Stadium |
| North |
Birmingham Barons |
Birmingham, Alabama |
Chicago White Sox |
Regions Field |
| Chattanooga Lookouts |
Chattanooga, Tennessee |
Minnesota Twins |
AT&T Field |
| Jackson Generals |
Jackson, Tennessee |
Arizona Diamondbacks |
The Ballpark at Jackson |
| Montgomery Biscuits |
Montgomery, Alabama |
Tampa Bay Rays |
Montgomery Riverwalk Stadium |
| Tennessee Smokies |
Sevierville, Tennessee |
Chicago Cubs |
Smokies Stadium |
| South |
Biloxi Shuckers |
Biloxi, Mississippi |
Milwaukee Brewers |
MGM Park |
| Jacksonville Jumbo Shrimp |
Jacksonville, Florida |
Miami Marlins |
Baseball Grounds of Jacksonville |
| Mississippi Braves |
Jackson, Mississippi |
Atlanta Braves |
Trustmark Park |
| Mobile BayBears |
Mobile, Alabama |
Los Angeles Angels |
Hank Aaron Stadium |
| Pensacola Blue Wahoos |
Pensacola, Florida |
Cincinnati Reds |
Blue Wahoos Stadium |
Map of teams

North Division

South Division
Regular season
Summary
- The Biloxi Shuckers finished the season with the best record in the league for the first time since 2015.