According to the search results, Inna Deriglazova of Russia won the gold medal in the women's individual foil competition at the 2016 Olympics in Rio de Janeiro, Brazil. She defeated Elisa Di Francisca of Italy in the final with a score of 12-11.
Here's a quote from the AP News article (https://apnews.com/article/2020-tokyo-olympics-sports-france-olympic-team-hungary-olympic-team-italy-olympic-team-47243b224b0e78dfec84cd071fb2b886):
"Inna Deriglazova of Russia won the gold medal in the women's individual foil at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Wednesday, Aug. 10, 2016."
You can see images of Inna Deriglazova celebrating her gold medal win at the 2016 Olympics here: [Image 1: https://c8.alamy.com/comp/2MY6965/russias-inna-deriglazova-right-celebrates-with-italys-elisa-di-francisca-after-deriglazova-won-the-gold-medal-in-the-womens-individual-foil-at-the-2016-summer-olympics-in-rio-de-janeiro-brazil-wednesday-aug-10-2016-ap-photocharlie-riedel-2MY6965.jpg] [Image 2: https://c8.alamy.com/comp/2MY68J3/gold-medalist-inna-deriglazova-of-russia-kisses-the-medal-she-won-in-a-womens-individual-foil-event-at-the-2016-summer-olympics-in-rio-de-janeiro-brazil-wednesday-aug-10-2016-ap-photocharlie-riedel-2MY68J3.jpg]
I hope this answers your question!