Aboubakar Oumarou is a Cameroonian footballer. He is most often deployed as a forward. Having started his professional career in China, he has played in four different Serbian clubs. Oumarou has been capped by the national team of Cameroon.
After playing an entire season with OFK, Oumarou moved to FK Vojvodinain the summer of 2010. In Vojvodina he was elected three times in a row as Vojvodina Supporters' Player of the Year for the 2010–11, 2011–12 and 2012–13 seasons by the unofficial club fansite fkvojvodina.com. His first match of the 2012–13 season was against Lithuanian club Sūduva on 19 July 2012, in the second qualifying round for UEFA Europa League. In that game he scored a goal in last minute of the match in a 1–1 home draw. A week later he also scored against Sūduva and enrolled assists in the away victory 4–0. A week later after win against Suduva 4–0, he scored a goal against the Rapid Wien and so helped the Vojvodina to win rapid and closer to the play-off of the UEFA Europa League. His first goal of the new season of Serbian SuperLiga scored on 28 October 2012 against Javor. Oumarou was scored the goal in the 77th minute of the match on penalty shootout. On 1 December 2012, he scored twice against his former club Red Star Belgrade. On 31 January 2013, thanks to his much-needed contribution to the club over the years, Oumarou signed a new one-year contract with Vojvodina.
On 9 August 2013, Oumarou signed a two-year deal with Belgian side Waasland-Beveren. On 18 August 2013, he has made his debut for Waasland-Beveren against Anderlecht and he spent 45 minutes on the pitch. On 15 February 2014, in 78th minute he scored his first goal for Waasland-Beveren against OH Leuven in a 3–1 home win.
On 30 June 2015, after two years he returned to Serbia and signed a two-year deal with Partizan. Oumarou has scored his first goal in Partizan on 8 July in a friendly match against Hungarian club Vasas in a 1–4 win. He made his official debut for the club in a Second qualifying round UEFA Champions League, against Dila Gori on 14 July 2015. In the second leg of the second qualifying round for the Champions League, Aboubakar Oumarou scored a goal in the victory of his team 0–2. On 17 September 2015, Oumarou scored twice in a 3–2 home victory over Dutch club AZ in the opening round of the Europa League group stage. Oumarou against AZ Alkmaar scored 400th goal of Partizan in European competitions. Oumarou was declared as a player of the first round of the Europa League and this is the first time that a player from the Serbian club is the player of round in a European competition. On 1 October 2015, Oumarou was injured 22 minutes into the match and had to leave the game against Augsburg. He had missed the match against Athletic Bilbao in the third round of the group stage of the Europa League on 22 October 2015. On 5 November 2015, Oumarou has scored equalizer at San Mamés in the defeat of his team 's 5–1. On 26 November 2015, Oumarou scored the equalizer a header after a cross Nikola Ninković, and in 89 minutes he was after a fantastic solo raid assisted to Andrija Živković score a winning goal in 1–2 away victory against AZ. earning Abubakar man of the match honors against AZ.
On 25 February 2016, Aboubakar signed a two-year deal with China League One side Shenzhen. After scoring 24 goals in 62 appearances, he left the club in July 2018 due to the limit of foreign player slot.