Other
- Barry Smith (ontologist) (born 1952), ontologist at the University at Buffalo, The State University of New York
- Barry Smith (New Zealand) (1933–2002), preacher from New Zealand
- Barry Smith (organist) (born 1939), South African organist, orchestral and choral conductor
- Barry C. Smith, Senior Lecturer in Philosophy at Birkbeck College, University of London, see Ernest Lepore and Philosophy Bites
- Barry Smith, former member of the band Add N to (X)
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