Vasyl Serhiyovych Hrytsak (Ukrainian: ?????? ?????????? ??????; born 14 January 1967) was the Head of the Security Service of Ukraine (SBU).
He became the SBU's acting head on 18 June 2015, replacing Valentyn Nalyvaichenko.
The Verkhovna Rada approved his appointment on 2 July.
On 22 May 2019 President Volodymyr Zelensky appointed Ivan Bakanov the first deputy chairman of the SBU.
Following this Hrytsak went on vacation, and Bakanov began to perform his duties.
Hrytsak never returned to his post in the SBU and Bakanov was officially appointed his successor on 29 August 2019.In 2005–2009, Hrytsak served as the head of the SBU's regional departments in Kiev and Kiev Oblast.
In 2009–2010, he headed the SBU department "K" (in fight against corruption and organized crime).
He is the father of Oleh Hrytsak, who worked as a prosecutor during Euromaidan.