Liviu-Dieter Nisipeanu (born 1 August 1976) is a Romanian chess grandmaster.

His highly aggressive style of play has earned him a reputation of a modern-day Mikhail Tal.

[1] In 1999, Nisipeanu as a clear outsider made it to the semifinals of the FIDE World Chess Championship by beating Vasily Ivanchuk in round 4 and Alexei Shirov in the quarterfinals only to succumb to the eventual champion Alexander Khalifman.

[3] In April 2006, Nisipeanu played FIDE World Champion Veselin Topalov in a four-game match.

This biographical article relating to a Romanian chess figure is a stub.