Nicolas Guillou (born 13 August 1975 ) is a French jurist who has served as a judge of the Kosovo Specialist Chambers and the International Criminal Court. In the former role he issued the arrest warrant for Salih Mustafa.
Nicolas Guillou earned a masterâÂÂs degree in International Criminal Law and Criminal Policy in Europe from the Paris-1-Panthéon Sorbonne University. He graduated from the French National School for the Judiciary (ENM), where he taught and also managed training programs for judges specializing in international justice.
On 20 August 2025, the US Treasury's Office of Foreign Assets Control imposed sanctions on Guillou as a member of the pre-trial panel that approved and issued arrest warrants against Israeli Prime Minister Netanyahu and former defense minister Gallant. GuillouâÂÂs name was listed among 15,000 people, including Al-Qaeda terrorists, drug cartel members, and Vladimir Putin. The effect of the sanctions means that Guillou is banned from US territory. Under US law, the sanctions also prohibit any American individual or legal entity, as well as any person or company, including their overseas subsidiaries, from providing services to him. This has had the effect of blacklisting him from the world's banking system.