László "Leslie" Mándoki (born 7 January 1953) is a German-Hungarian musician who became known as a member of the music group Dschinghis Khan.

In July 1975, Mándoki, along with animation filmmaker Gábor Csupó (the creator of Rugrats) and others, fled from Hungary to Munich, West Germany to avoid prosecution by the communist regime for being a member of the student opposition.

[1] Dschinghis Khan, where Mandoki was one of the six members, was the German entry for the Eurovision Song Contest 1979, finishing on 4th place.

He has worked as a producer for many German and international acts, including No Angels, Phil Collins, Engelbert, Joshua Kadison, Lionel Richie and Jennifer Rush.

Many notable artists appeared as guest musicians on the Soulmates albums, including Chaka Khan, Ian Anderson, Robin Gibb, Jon Lord, Jack Bruce, Steve Lukather, Bobby Kimball, Midge Ure, Nik Kershaw, Al Di Meola, Michael and Randy Brecker, Till Brönner and Eric Burdon.