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- Saekyung College – Yeongwol County, Gangwon
- Sahmyook University – Seoul
- Samcheok National University – Samcheok, Gangwon (unification with Kangwon National University, now KNU Samcheok Campus)
- Sangji University – Wonju, Gangwon
- Sangju National University – Sangju, North Gyeongsang
- Sangmyung University – Seoul and Cheonan City, South Chungcheong
- Sejong University – Seoul
- Semin Digital University – Daegu
- Semyung University – Jecheon, North Chungcheong
- Seoil College – Seoul
- Seokang College – Gwangju
- Seokyeong University – Seoul
- Seonam University – Namwon, North Jeolla and Asan, South Chungcheong
- Seongnam Polytechnic College – Seongnam, Gyeonggi
- Seoul Bible Graduate School of Theology – Seoul
- Seoul Christian University – Seoul
- Seoul Cyber University – Seoul
- Seoul Digital University – Seoul
- Seoul Health College – Seongnam, Gyeonggi
- Seoul Institute of the Arts – Ansan, Gyeonggi
- Seoul IT Polytechnic College – Seoul
- Seoul Jangsin University – Seoul and Gwangju City, Gyeonggi
- Seoul-Jeongsu Polytechnic College – Seoul
- Seoul National University – Seoul
- Seoul National University of Education – Seoul
- Seoul National University of Technology – Nowon-gu, Seoul
- Seoul Sports Graduate University – Seoul
- Seoul Theological University – Bucheon, Gyeonggi
- Seoul Women's College of Nursing – Seoul
- Seoul Women's University – Seoul
- Seowon University – Cheongju, North Chungcheong
- Shingu College – Seongnam, Gyeonggi
- Shinheung College – Uijeongbu, Gyeonggi
- Shinkyeong University – Hwaseong, Gyeonggi
- Shinsung College – Dangjin County, South Chungcheong
- Silla University – Busan
- Sogang University – Seoul
- Sohae College – Gunsan, North Jeolla
- Songho College – Hoengseong County, Gangwon
- Songwon College – Gwangju
- Sookmyung Women's University – Seoul
- Soonchunhyang University – Asan, South Chungcheong
- Soong Eui Women's College – Seoul
- Soongsil University – Seoul
- Sorabol College – Gyeongju, North Gyeongsang
- Suncheon Cheongam College – Suncheon, South Jeolla
- Suncheon First College – Suncheon, South Jeolla
- Sunchon National University – Suncheon, South Jeolla
- Sung-duk College – Yeongcheon, North Gyeongsang
- Sungsan Hyodo Graduate School – Incheon
- Sunghwa College – Gangjin County, South Jeolla
- SungKongHoe University – Seoul
- Sungkyul University – Anyang, Gyeonggi
- Sungkyunkwan University – Seoul and Suwon City, Gyeonggi
- Sungmin University – Cheonan and Seoul
- Sungshin Women's University – Seoul
- Sunlin College – Pohang, North Gyeongsang
- Sunmoon University – Asan and Cheonan, South Chungcheong
- Suwon Catholic University – Hwaseong, Gyeonggi
- Suwon Science College – Hwaseong, Gyeonggi
- Suwon Women's College – Suwon
Read more about this topic: List Of Universities And Colleges In South Korea