| Date of birth | August 5, 1964 | ||||||||||||||||
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| Place of birth | Palo Alto, California | ||||||||||||||||
| Occupation(s) | Rugby player, Coach | ||||||||||||||||
| Rugby union career | |||||||||||||||||
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Christopher Patrick O'Brien (born August 5, 1964) is an American retired rugby union player who played at fly-half and centre and later served as an assistant coach for the United States national rugby union team.