- Soohan Ahn
- Soon Ang
- Soonbong Lee
- Soongeol Kwon
- Sophia Dyer
- Sora Jun
- Soraya Fatehi
- Soroush Saghafian
- Sotirios Tsiodras
- Soumyadeep Hore
- Soumyadip Ghosh
- Sourav Das
- South African National Defense Force
- South African National Defense Force
- Southern Company Services
- Southern Methodist University Student Chapter
- Spencer Harrison
- Spicer Off-Highway Products
- Spyridon Schismenos
- Sreekumar Bhaskaran
