An orchestra is an instrumental ensemble usually composed of string, brass, and woodwind sections, sometimes with a percussion section.

Orchestra may also refer to:

• MSC Orchestra, a cruise ship built for MSC Cruises
• "Orchestra", a song by the British band The Servant
• "Orchestra", the 79th episode of the television show The Suite Life of Zack & Cody
• Orchestra Control Engine, a suite of software components (based on Linux/RTAI) for the planning, development and deployment of real-time control applications for industrial machines and robots.

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