Derna Casetti

{{short description|Italian middle-distance runner}}

{{Infobox sportsperson

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| national_team = {{nowrap|Italy (4 caps 1977)}}{{cite book|title=Annuario dell'Atletica 2009|year=2009|publisher=FIDAL|page=179}}

| sport = Athletics

| event = *Middle-distance running

• Cross country running

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| birth_date = {{birth date and age|1959|3|11|df=yes}}

| birth_place = Casalmaggiore, Italy

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| country = {{flagicon|ITA}} Italy

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Derna Casetti (born 11 March 1959) is a former Italian female middle-distance and cross-country runner who competed at individual senior level at the World Athletics Cross Country Championships (1977).{{cite web|url=https://www.worldathletics.org/Competitions/world-athletics-cross-country-championships|title=World Athletics Cross Country Championships|publisher=worldathletics.org|accessdate=5 March 2020|archive-date=20 March 2020|archive-url=https://web.archive.org/web/20200320215249/https://www.worldathletics.org/competitions/world-athletics-cross-country-championships|url-status=dead}}