Abraham Adelaja (born 31 January 1988, Abuja) is a Nigerian professional footballer who plays as a striker.
In July 2013, Adelaja arrived in Portugal to represent Farense. On 6 July 2015, he moved to fellow Segunda Liga club Mafra.
On 29 August 2016, Adelaja signed a contract with Albanian Superliga side Korabi Peshkopi as a free transfer. He was presented on the same day along with Nderim Nexhipi where he was allocated squad number 88.