- YES stands for Youth Enjoying Sobriety (various locations)
- YES stands for Youth Employment Service (Canada)
- YES stands for Yamaha Education Suite
- YES stands for Your Education System
- YES stands for Youth Exchange and Study
- YES stands for Yamaha Extended Service (warranty)
- YES stands for Yield Engineering Systems (Livermore, CA)
- YES stands for Yankees Entertainment & Sports
- YES stands for Youth Engagement Strategy (various locations)
- YES stands for Youth Energy Summit
- YES stands for Young Enterprise Scheme (various organizations)
- YES stands for Young Engineers and Scientists (various locations)
- YES stands for Young Enterprise Switzerland
- YES stands for Youth Employment Solutions (Detroit, MI)
- YES stands for Young Epidemiology Scholars
- YES stands for Youth Enrichment Services (Boston, MA)
- YES stands for Youth Employment Strategy (Canada)
- YES stands for Yankee Environmental Systems (Turners Falls, MA)
- YES stands for Youth Engaged in Service
- YES stands for Youth Emergency Services
- YES stands for Youth Education Series (Disney Institute Youth Programs)
- YES stands for Youth for Environmental Sanity
- YES stands for Youth Experiences in Science (various locations)
- YES stands for Young European Scientists
- YES stands for Youth Empowerment Summit
- YES stands for Yale Entrepreneurial Society (Yale University; New Haven, CT)
- YES stands for Youth Enhancement Services
- YES stands for Youth Electoral Study (Australia)