- Southern Basque Country
- southern beech family
- southern blight
- Southern blot
- Southern blot hybridization
- Southern blotting
- Southern Boxing
- Southern Buddhism
- Southern California Earthquake Center
- southern cassowary
- southern celestial hemisphere
- Southern Chen and Northern Cui
- Southern China coal occurrence area
- Southern China Society
- Southern China tiger breeding base of China in Suzhou
- Southern Chinese Society of Soil and Water Conservation
- Southern Coalsack
- Southern Command and Northern Offices
- Southern Confucian Temple
- southern corn leaf blight
- southern corn rust
- southern crabgrass
- Southern Cultural Forum
- Southern Dipper
- Southern District