Stuivenberg, 43, recently worked under Van Gaal as the Netherlands’ U21 coach.
In 2011
and 2012, he won the European Championship with the Dutch U17 team.
The former Feyenoord academy manager will be Van Gaal's assistant coach at United.
Van Gaal, who has already appointed Frans Hoek and Marcel Bout to his staff, will start work at Old Trafford once the Dutch national side’s World Cup campaign is over.
Holland made it through to the semi-finals of the tournament on Saturday night when they beat Costa Rica on penalties and will now play Argentina on Wednesday in Sao Paulo.
