VO can refer to:
Volleyball is a team sport in which two teams of six players are separated by a net. Each team tries to score points by grounding a ball on the other team's court under organized rules.
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François-Marie Arouet (French: [fʁɑ̃swa maʁi aʁwɛ]; 21 November 1694 – 30 May 1778), known by his nom de plume Voltaire (; French: [vɔltɛːʁ]), was a French Enlightenment writer, historian and philosopher famous for his wit, his attacks on Christianity as a whole, especially the established Catholic Church, and his advocacy of freedom of religion, freedom of speech and separation of church and state.
Volkswagen (German pronunciation: [ˈfɔlksˌvaːɡn̩] ( listen)), shortened to VW (German: [ˈfaʊ̯ˈveː]), is a German automaker founded on 28 May 1937 by the German Labour Front under Adolf Hitler and headquartered in Wolfsburg.
Voice over Internet Protocol (also voice over IP, VoIP or IP telephony) is a methodology and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet.
Volkswagen Aktiengesellschaft (German: [ˈfɔlksˌvaːgn̩]), known internationally as the Volkswagen Group, is a German multinational automotive manufacturing company headquartered in Wolfsburg, Lower Saxony, Germany and indirectly majority owned by the Austrian Porsche-Piech family.
The Vought F4U Corsair is an American fighter aircraft that saw service primarily in World War II and the Korean War.