Iulian Serhiyovych Boiko (Ukrainian: Юліан Сергійович Бойко; born 22 September 2005 in Kyiv, Ukraine) is a Ukrainian former professional snooker player.

[2] In May 2019, Boiko registered his first official century break in a 4–3 defeat against Billy Joe Castle in the second event of the 2019 Q School.

[3] In January 2020, Boiko finished as runner-up in the WSF Open, as a result, he was awarded a two-year card on the World Snooker Tour for the 2020–21 and 2021–22.

[5] In March 2020, Boiko defeated Darren Morgan, a former professional player, by 5–3 in the final to become the EBSA European 6-Reds champion for the first time.

[7] On 4 March 2021, Boiko won his first professional match in Gibraltar Open against Fergal O'Brien, winning 4–3.