Mircea Onisemiuc (born 13 September 1970) is a Romanian football manager and former player.
A forward, he played six games in the 2. Bundesliga for Rot-Weiß Oberhausen before joining Regionalliga team VfB Oldenburg in 1999, then Oberliga team 1. FC Lok Stendal and Verbandsliga team SV Straelen.
Embarking on a coaching career, he managed Schwarz-Weiß Essen, Rot Weiss Ahlen, SSVg Velbert and MSV Duisburg's youth team.
References