Nathalia Milstein (born 1995) is a French classical pianist. Born in Lyon into a family of Russian musicians, she began piano lessons with her father, Serguei Milstein, at age four. She entered the Geneva Conservatory of Music in 2009.
In 2013, she earned a bachelor's degree at the Geneva University of Music, studying with Argentine pianist Nelson Goerner. She continued there and completed a master's degree as a soloist in 2015. During her studies, she attended masterclasses led by Elena Ashkenazy, Jean-Marc Luisada, Krzysztof Jablonski, and Menahem Pressler. Her grandfather, Iakov Milstein, was a musicologist and piano teacher at the Moscow Conservatory. Since 2005, she has performed in a duo with her sister, violinist Maria Milstein.
Milstein won the Dublin International Piano Competition in May 2015, becoming its first female first-prize winner. During the 2015–16 season, she performed in Europe and North America, including at Wigmore Hall in London and Zankel Hall in New York. In October 2015, she appeared on the France Musique radio program Young Performers Generation, hosted by Gaëlle Le Gallic. On April 29, 2016, she performed with the Radio France Philharmonic Orchestra under Marcelo Lehninger at the Maison de la Radio auditorium.
Her prizes include wins at the Flame Competition in 2008, 2009, and 2010; first prizes in competitions at the Geneva Conservatory of Music in 2010, 2011, and 2012; first prize in her category at the 2011 Manchester International Concerto Competition; second prize at the 2013 Grand International Piano Competition in Corbelin; and first prize at the 2014 International Piano Competition in Gaillard. She received the Young Soloist Prize of the Public Francophone Media in 2017.