Karen Ehrenreich

{{short description|Danish long-distance runner}}

{{BLP sources|date=October 2023}}

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| name = Karen Ehrenreich

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| country = Denmark

| sport = Long-distance running

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| coach = Simon Bregendal Bak

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| nationals = Dansk mester Marathon 2022

Dansk mester 10.000 m 2022

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| pb = 2.34,15 Marathon Sevilla 2023 and 1.13.32 Valencia half 2022

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Karen Ehrenreich (born 24 September 1984){{Cite web|title=Karen Ehrenreich|url=https://www.worldathletics.org/athletes/denmark/karen-ehrenreich-14811902|access-date=27 October 2020|website=World Athletics}}{{Cite web|title=Women's Half Marathon|url=https://media.aws.iaaf.org/competitiondocuments/pdf/7138821/AT-HMAR-W-f----.RS6.pdf?v=1284936714|url-status=live|archive-url=https://web.archive.org/web/20201017111945/https://media.aws.iaaf.org/competitiondocuments/pdf/7138821/AT-HMAR-W-f----.RS6.pdf?v=1284936714|archive-date=17 October 2020|access-date=17 October 2020|website=2020 World Athletics Half Marathon Championships}} is a Danish long-distance runner. In 2020, she competed in the women's half marathon at the 2020 World Athletics Half Marathon Championships held in Gdynia, Poland.