Roh or ROH may refer to:

• Roh (film), a 2020 Malaysian horror film
• Roh (name), a Korean surname
• Roh (historical region), in present-day Pakistan and Afghanistan
• Roh, Maré, New Caledonia
• Revoluční odborové hnutí, labour union in Czechoslovakia 1945–1990
• Ring of Honor, American professional wrestling promotion
• Royal Opera House, London, England
• Runs of homozygosity, a technical term used in population genetics
• Formula of a generic alcohol (substituent R, Oxygen, Hydrogen)
• The ISO 639-3 code for the Romansh language

This disambiguation page lists articles associated with the title ROH.
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Look up ROH in Wiktionary, the free dictionary.