Robert Giertsen

{{Short description|Norwegian sailor}}

{{Use dmy dates|date=August 2021}}

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{{MedalSport|Men's sailing}}

{{MedalCountry | {{NOR}} }}

{{MedalGold|1920 Antwerp | 10 metre class (1919 rating)}}

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Robert Roach Giertsen (24 August 1894 – 17 October 1978) was a Norwegian sailor who competed in the 1920 Summer Olympics. He was a crew member of the Norwegian boat Mosk II, which won the gold medal in the 10 metre class (1919 rating).{{cite web|url=https://www.olympedia.org/athletes/62127 |title=Robert Giertsen |work=Olympedia |access-date=30 August 2021}}