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David Horowitz (disambiguation) 
Summary
David Horowitz (born 1939) is a conservative activist and political writer.
David Horowitz may also refer to:
- David Horowitz (economist) (1899–1979), first governor of the Bank of Israel
- David Horowitz (author) (1903–2002), founder of the United Israel World Union
- David Horowitz (consumer advocate) (1937–2019), American consumer advocate