Robert O'Brien

Last updated April 25, 2025

Robert O'Brien may refer to:

Sportspeople

Robert O'Brien (cricketer) (1869–1922), Australian cricketer
Robert O'Brien (racing driver) (1908–1987), American racing driver
Bob O'Brien (basketball) (1927–2008), American basketball player
Robert O'Brien (canoeist) (born 1933), American sprint canoer
Bob O'Brien (baseball) (born 1949), baseball player

Others

Robert J. O'Brien (1858–1948), American real estate developer, politician and philanthropist
Robert O'Brien (executive) (1907–1997), American businessman
Robert C. O'Brien (author) (1918–1973), American journalist and children's book author
Robert O'Brien (artist) (born 1939), British Hong Kong artist
Robert O'Brien (RAF officer) (active in 1990s), former US Air Secretary
Robert C. O'Brien (born 1966), US National Security Advisor

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