Samuel Obeng Gyabaa (born 15 May 1997) is a Ghanaian footballer who plays for Real Oviedo Vetusta as a forward.
Born in Nsapor, Brong-Ahafo Region, Obeng moved to Gurb, Barcelona, Catalonia at the age of ten. After finishing his formation with Getafe CF, he made his senior debut with Girona FC B in the regional leagues, in 2016.
In 2017, Obeng was loaned to Tercera División side EC Granollers for one year. On 5 August of the following year, he signed for Segunda División B side CD Calahorra after a trial period.
In March 2019, Obeng agreed a pre-contract with Real Oviedo, effective as of 1 July; he was initially assigned to the reserves in the third division. He made his first team debut on 18 August: after coming on as a second-half substitute for Edu Cortina, he scored his team's second in a 2–3 away loss against Deportivo de La Coruña for the Segunda División championship.