DSO may refer to:
The Dark Side of the Moon is the eighth album by English rock band Pink Floyd, released on 1 March 1973 by Harvest Records.
DSOS (Deep Six Operating System) was a real-time operating system (sometimes referred to as an operating system kernel) developed by Texas Instruments' Geophysical Services division (GSI) in the mid-1970s.
FC Baník Ostrava is a football club from the Silesian part of the city of Ostrava, Czech Republic. It is based in Slezská Ostrava district of the city.
Dzungaria (also spelled Zungharia) is a geographical region in northwest China corresponding to the northern half of Xinjiang, also known as Beijiang (Chinese: 北疆; pinyin: Běijiāng; literally: "Northern Xinjiang").
FC Viktoria Plzeň (pronounced [ˈvɪktorja ˈpl̩.zɛɲ]) is a Czech professional football club based in the city of Plzeň (Pilsen).
SK Slavia Prague (Czech: SK Slavia Praha, pronounced [ˈsla:vja ˈpraɦa]) is a Czech professional football club founded in 1892 in the city of Prague.
FC Zbrojovka Brno is a professional football club based in the city of Brno, Moravia, Czech Republic. Founded in 1913 as SK Židenice, the club later became known as Zbrojovka Brno.
Dark Side of the Rainbow – also known as Dark Side of Oz or The Wizard of Floyd – refers to the pairing of the 1973 Pink Floyd album The Dark Side of the Moon with the visual portion of the 1939 film The Wizard of Oz.
DSO National Laboratories (DSO) is the national defence research agency of Singapore. It was set up in 1972 by Dr Goh Keng Swee, then Defence Minister, to conduct research on future warfare.