The exciting winger was restricted to nine appearances for the Under-18s, but still managed to contribute seven goals for Neil Ryan's side before the season was curtailed due to the COVID-19 pandemic.
His enterprising play on the flanks caught the eye, and he also appeared eight times for the Under-23s.
The Sweden youth international is another youngster to progress through the ranks at United. His father, Joseph, played at the 1998 World Cup finals for Cameroon, before having a couple of spells with Malmo.
Under-18s lead coach Neil Ryan selected Elanga for the award following discussions with Head of Academy Nick Cox and his staff.