Valentina Valli
- Birthday: 4/14/1983
- Place of birth: Czech Republic
- Fame for: Acting
- Also known as: Betty, Valentina Valy, Valentina , Natalka Stefanenko, Valentyna Valli, Natalia Ross, Natalia, Natalka, Lenka, Natalie Ross, Natalie, Laetitia Costa, Jade, Katarina, Clara