Oleksandr Bohdanovych Romanchuk (; born 16 December 1999) is a Ukrainian professional footballer who plays as a centre-back for Liga I club Universitatea Craiova.
Romanchuk was born in the Ivano-Frankivsk Oblast and progressed through the academy of Prykarpattia Ivano-Frankivsk, before moving to the youth system of Lviv in 2016.
He broke into Lviv's senior set-up in the Ukrainian Second League, and in July 2018 joined Dynamo Kyiv of the Ukrainian Premier League, although he did not feature for the first team.
Romanchuk returned to Lviv in August 2020, appearing for the reserve side before making his top flight debut on 12 September 2020, coming on as a second-half substitute in a 0âÂÂ4 away loss to Kolos Kovalivka.
On 20 July 2022, Romanchuk moved abroad for the first time, signing for Nemzeti Bajnokság I club Debrecen.
Romanchuk returned to Ukraine on 25 July 2024, agreeing a three-year contract with Kryvbas Kryvyi Rih.
On 7 July 2025, Romanchuk signed a three-year contract with Romanian first division team Universitatea Craiova for a rumoured fee of â¬750,000. He made his official debut on 12 July 2025, opening the scoring in a 3âÂÂ3 away Liga I draw at UTA Arad.