Ion "Jean" Vladoiu (born 5 November 1968) is a Romanian former professional footballer who played as a striker.
He is one of the very few who played for the biggest teams of Romania – Steaua Bucuresti, Rapid Bucharest, Dinamo Bucharest, Universitatea Craiova and Arges Pitesti.
Vladoiu played a total of 322 games in Liga I, scoring 131 goals, being the league topscorer in 1996.
He also played 51 games in the Bundesliga, scoring 10 goals.He won 28 caps for Romania, most of them as a substitute, scoring twice.
He played very briefly in USA 94, coming on as a sub against Switzerland, but then being sent off three minutes later for a bad foul on Switzerland's Christophe Ohrel.