AS Trenčín The first European club in Osman Bukari's professional career was Slovak side
AS Trenčín. Bukari joined them in July 2018 from
Accra Lions in his homeland. In his two years in Slovak football, Bukari was one of the best players in his team, playing 66 matches and recording 16 goals and 25 assists. In the
2019–20 season, he was officially Trenčin's best player and was inducted in the league's best XI. He was also on the three-name shortlist for the best player of the season.
Gent After his eye-catching performances in Slovakia, Belgian side
KAA Gent signed Bukari on 4 September 2020. After signing a three-year contract with Gent, Bukari quickly established himself as one of the first-team regulars. He played in the
UEFA Europa League as Gent faced
Hoffenheim,
Red Star Belgrade and
Slovan Liberec in the group stage. He scored four goals and made six assists in 35 appearances for Gent.
Loan to Nantes On 12 August 2021, French
Ligue 1 outfit
FC Nantes signed Bukari on a season-long loan. The Ghanaian was a part of the team that won
Coupe de France, the fourth in club's history, and secured European qualification after a 21-year-long wait.
Red Star Belgrade Serbian champions
Red Star Belgrade signed Bukari on 21 June 2022 in a deal worth €3 million. He made his club debut against
Radnički Niš and got on the scoresheet in the same match. He was
man of the match with three goals in an assist in Red Star Belgrade's
UEFA Champions League qualifying match against
Pyunik, in which the Serbian team won 5–0. Bukari scored one of the best goals seen in
Eternal derby when he scored with a fine left-footed volley in Red Star Belgrade's 1–1 draw at rivals
Partizan. In their first match at the
2023–24 UEFA Champions League against
Manchester City, he scored club's only goal in their 3–1 defeat.
Austin FC On 30 May 2024, Bukari was signed by
Austin FC for a reported $7 million. He occupied a senior roster, international, and
designated player slot for Austin.
Widzew Łódź On 19 December 2025, Bukari signed a five-year contract with Polish club
Widzew Łódź. The transfer was reportedly the most expensive in
Ekstraklasa history, with a fee of €5.5 million. ==International career==