SYSO

AcronymDefinition
SYSOSeattle Youth Symphony Orchestras (Washington)
SYSOSeguridad y Salud Ocupacional (Spanish: Occupational Safety and Health; governmental division; various locations)
SYSOShelton Youth Soccer Organization (Connecticut)
SYSOSkaneateles Youth Soccer Organization (New York)
SYSOSwiss Youth Symphony Orchestra (Switzerland)
SYSOStarkville Youth Soccer Organization (Starkville, MS)