Stefanía Fernández Krupij, (born September 4, 1990), is Miss Universe 2009, from Mérida, Venezuela; she represented her country, Venezuela, in the Miss Universe 2009 pageant in the Bahamas. Fernández won the Miss Venezuela 2008 title in a pageant held in Caracas, Venezuela on September 10, 2008. She was crowned by the outgoing titleholder, Dayana Mendoza, Miss Venezuela 2007 and Miss Universe 2008. Fernández also won the "Miss Elegance", "Best Body" and "Best Face", titles.

She became the second Miss Trujillo to win that title since the Miss Venezuela pageant first began in 1952. The first was Bárbara Palacios, Miss Venezuela 1986 and Miss Universe 1986. Stefanía is of Spanish Galician, Russian, Ukrainian, and Polish origin; she practices tennis and swim. Her mother is Nadia Krupij Holojad and her father is Carlos Fernández, who was kidnapped in 2005 in Barinas, Venezuela, for five days.