Ron O'Brien may refer to:
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Ron O'Brien (coach)
Ronald Shay O'Brien (March 14, 1938 – November 19, 2024) was a Hall of Fame American diving coach and author who dove for Ohio State University. He was the head diving coach at Ohio State from 1963 to 1978, later coaching the Mission Viejo Nada ...
, American diving coach
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Ron O'Brien (DJ)
"Big" Ron O'Brien (real name: Richard Walls; October 24, 1951 – April 27, 2008) was a disc jockey who worked at many top radio stations during his lifetime.
O'Brien grew up in Des Moines, IA, and worked at KBAB in Indianola and KYNA in Des ...
(1951–2008), American disc jockey
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Ron O'Brien (footballer)
Ron O'Brien (born 6 December 1942) is a former Australian rules footballer who played with Richmond in the Victorian Football League
The Victorian Football League (VFL) is an Australian rules football competition in Australia operate ...
(born 1942), Australian rules footballer for Richmond
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Ronnie O'Brien (born 1979), Irish footballer
{{hndis, Obrien, Ron