All assessments of the criminal prosecution of specific individuals, including the designation of detained persons as political prisoners, reflect the position of our Project. Such assessments are not based on the views and assessments of the individuals being prosecuted, their families, friends or lawyers, and do not imply their consent or approval. The information regarding the facts of specific criminal cases published on our Project’s website has been obtained from public sources and does not imply or require the consent of the individuals mentioned therein or their representatives.

Blyznyuk Serhii Oleksiyovych

Date of birth: January 22, 1972 (54 years old)
citizenship: Украина
Occupation: военная служба
Article of the Criminal Code:  205.4 ч. 2 ; 205.3
Form of repression:  pre-trial detention
Pursuit stage:  verdict delivered – appeal pending
Sentence:  18 лет лишения свободы в колонии строгого режима
Date of sentencing:  March 17, 2026
Current location:  unknown
Lists of persecuted:  General list

Serhii Blyzniuk is a citizen of Ukraine and a serviceman of the 12th Azov Special Purpose Brigade of the National Guard of Ukraine. On 8 March 2022, he was seriously wounded and evacuated to a bunker at Azovstal. He was taken prisoner on 18 May 2022.

On 27 November 2025, Blyzniuk’s case was referred to the Southern District Military Court. On 17 March 2026, Judge Hurhen Dovlatbekyan found Blyzniuk guilty under the articles on undergoing training for the purpose of carrying out terrorist activity and participation in a terrorist community and sentenced him to 18 years’ imprisonment.

The defence appealed the verdict.