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Look up VSO in Wiktionary, the free dictionary.
VSO may refer to:
- VSO, an aircraft's stall speed in the landing configuration
- Valdosta Southern Railroad
- Vancouver Symphony Orchestra, a Canadian orchestra performing in Vancouver, British Columbia
- Variable Speed Oscillator - see Oscillation
- Verb–subject–object in Linguistic typology
- Vermont Symphony Orchestra, a symphony orchestra based in, and supported in part by, the U.S. state of Vermont
- Victoria State Opera, Australian opera company, merged in 1996 with Opera Australia
- Vienna State Opera, an opera house – and opera company – with a history dating back to the mid-19th century
- Vienna Symphony Orchestra
- Violin Shaped Object, a pejorative term for a low-quality violin
- Visual Studio Online, an early name for Azure DevOps (previously Visual Studio Team Services), a hosted application lifecycle management service from Microsoft
- Voluntary Service Overseas, an international development charity
- Volvo Super Olympian, double-decker bus