Sergej Ignatkov (born 29 April 2007) is a Bosnian professional footballer who plays as a defensive midfielder for Bosnian Premier League club Sarajevo.
Ignatkov began his football development in the youth ranks of Zrinjski Mostar, where he was regarded as one of the club's most promising young players. In January 2024, he joined the academy of Sarajevo, continuing his development in the club's under-19 setup. He featured prominently in Sarajevo's youth league teams, making multiple appearances for the under-19 side in the 2024âÂÂ25 season in both the Premier League and the UEFA Youth League. On 7 February 2024, he signed his first professional contract with the club.
In October 2025, Ignatkov made his debut for Sarajevo's senior team in the Bosnian Premier League, becoming one of the youngest players to appear for the club in top-flight competition. He quickly established himself as a first team regular under manager Mario CvitanoviÃÂ.
Ignatkov was born in Trebinje, Bosnia and Herzegovina and is of Ukrainian descent through his father, while his mother is from Trebinje. He was eligible to represent five countries on international level, either Bosnia and Herzegovina (by birth), Ukraine (through his father), Serbia (through his mother), Russia (through his paternal grandmother) or North Macedonia (through his maternal grandmother).
Ignatkov began his international career with Bosnia and Herzegovina youth teams, appearing for the U15, U16, and U17 squads. Between 2023 and 2024, he earned six caps and scored one goal for the under-17 team, including appearances in UEFA European Under-17 Championship qualification matches.
Ignatkov primarily features as a defensive midfielder, known for his physical presence, defensive positioning, and ability to contribute to both defensive duties and transitional play. He has also been deployed occasionally as a centre-back, demonstrating positional versatility.