Mariana Sirbu (born in Iaşi, Romania) is a Romanian violinist. 　　Mariana Sirbu started playing the violin under the supervision of her parents. She then studied with Ştefan Gheorghiu at the "Ciprian Porumbescu" National University of Music Bucharest in Bucharest. Schon bald nach Beginn ihrer Konzertkarriere wurde sie mit mehreren internationalen Preisen ausgezeichnet. She performed as soloist in many of the world’s great concert halls such as Berliner Philharmonie, Teatro Colon (Buenos Aires), Sydney Opera House, Wiener Musikverein, Concertgebouw (Amsterdam), Carnegie Hall and Lincoln Center (New York), Teatro alla Scala (Milan) and Suntory Hall (Tokyo). She also took part in many international music festivals. 　　In 1968 she was a founder of the Academica String Quartet, with which she toured in many countries. With the quartet, she was a prize-winner at several international competitions including Liege 1972, Munich 1973, Geneva 1974 and Belgrade 1975. 　　In 1985 Mariana Sirbu joined the Trio di Milano with pianist Bruno Canino and cellist Rocco Filippini. In 1994 she participated in establishing the Quartetto Stradivari. From 1992 bis 2003 she was concertmaster of the I Musici chamber orchestra. She was recently appointed principal guest director of the Irish Chamber Orchestra. 　　Mariana Sirbu plays a Stradivarius [violin (model “Conte di Fontana”, 1702), which had been played by Russian violinist David Oistrakh.