Barnham, as a person, may refer to:
- Alice Barnham (1592-1650), the wife Francis Bacon
- Benedict Barnham (c.1559-1598), an English merchant
Barnham, as a location, may refer to:
- Barnham, Suffolk, a village and civil parish in Suffolk, England
- Barnham, West Sussex, a village and civil parish in West Sussex, England
- Barnham Broom, a village and civil parish in the Norfolk, England
Barnham may also refer to:
- Barnham railway station, a railway station serving Barnham, West Sussex