GSIS

GSIS may refer to:

• German Swiss International School, Hong Kong
• German Swiss International School (Ghana)
• Good Shepherd International School, Ooty, Tamil Nadu, India
• Josef Korbel School of International Studies (formerly named Graduate School of International Studies) of the University of Denver
• Gyeonggi Suwon International School, South Korea

• Geoscience Information Society, United States
• Government Service Insurance System, Philippines
• GSIS Museo ng Sining, an art museum in Pasay, Philippines

• GSI (disambiguation)