Iosif Rotariu (born 27 September 1962) is a retired Romanian association football midfielder.
He debuted in Divizia A with FC Politehnica Timi?oara in 1981.
He won the league championship with Steaua Bucuresti in 1987, 1988, 1989, 1997 and 1998, and won the Romanian Cup with the same club in 1987, 1988, 1989 and 1997.
He also played abroad, in Turkey.
Rotariu made his debut for the Romanian national team in 1988 against Netherlands, and represented his country at the 1990 FIFA World Cup.
He got 25 caps in total, the last in 1997, and scored one international goal, against Poland in 1990.