Catherine (or variants) O'Brien may refer to:
- Catherine Amelia O'Brien (1881–1963), Irish stained glass artist
- Catherine O'Brien (film scholar), British film scholar
- Catherine O'Brien (Neighbours)
- Katherine O'Brien, physician and scientist in the field of pneumococcal disease
- Katharine O'Brien, film director
See also edit
This disambiguation page lists articles about people with the same name.
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