- South Sea Company
- Southam Inc.
- Southam-Sun Paper Swap
- Southam, William
- Southcott, John Thomas
- Southern Alberta Art Gallery
- Southern Alberta Institute of Technology
- Southworth, Jean
- Souvairan, Pierre
- Souverain
- Souveraineté
- Souveraineté-association
- Souveraineté dans l'Arctique
- Soward, Frederic Hubert
- Space Lab Under Construction
