GSO
GSO may denote the geostationary satellite orbit, the Greensboro‑based airport identifier, a graduate‑level oceanography program, a student organization, or a community orchestra, each reflecting its own domain.
Miscellaneous
General Service Office
General Statistical Office
Graph Search Optimization
Gene Silencing Oligonucleotides
Good Service Order
GCC Standardization Organization
General Specifications for Overhaul
Community
The Golden Symphonic Orchestra
Glenbrook Symphony Orchestra
Gamer Symphony Orchestra
Georgia Symphony Orchestra
Governmental
Ground Safety Office
Gyroscope Storage Oven
Ground Support Operations
Global Space Organization
GSFC (Goddard Space Flight Center) Security Office
General Statistics Office
Academic & Science
Geostationary Orbit
Graduate School of Oceanography
Graduate Student Organization
General Spin Orbital
Geological Society of Oman