Roby Lakatos (born 1965) is a violinist from Hungary who combines jazz, classical, and Hungarian Romani music.

Lakatos was born in 1965 into a family of Romani violinists descended from János Bihari, a composer who influenced Brahms and Liszt.

In 1984 he won first prize for classical violin at the Béla Bartók Conservatory of Budapest.

For the next ten years, he led the house band at a Brussels restaurant where he was complimented by Yehudi Menuhin for his performance of a piece by Liszt.

Lakatos recorded a Prokofiev album with Polina Leschenko, Christian Poltéra, and Martha Argerich; Klezmer Karma with the Franz Liszt Chamber Orchestra, Yiddish singer Myriam Fuks, and accordionist Aldo Granato; Roby Lakatos with Musical Friends with Stéphane Grappelli, Vadim Repin, Randy Brecker, Tony Lakatos (his brother), Marc Fosset, and the Vieuxtemps Quartet.