Erminia Perfetto (born 9 June 1995) is an Italian karateka. She won the silver medal in the women's 50kg event at the 2023 European Games held in Poland. She is also a four-time medalist in her event at the European Karate Championships.
In 2021, Perfetto competed in the women's 50kg event at the World Karate Championships held in Dubai, United Arab Emirates. She was eliminated in her fourth match by Chaimae El Hayti of Morocco. In 2022, Perfetto competed in the women's 50kg event at the Mediterranean Games held in Oran, Algeria where she was eliminated in her first match.
Perfetto won the silver medal in the women's 50kg event at the 2023 World Karate Championships held in Budapest, Hungary. In the final, she lost against Moldir Zhangbyrbay of Kazakhstan.
She won one of the bronze medals in the women's 50kg event at the 2024 European Karate Championships held in Zadar, Croatia. She won the silver medal in the women's 50kg event at the 2025 European Karate Championships held in Yerevan, Armenia.