Ioana Olteanu (later Călin, born 25 February 1966) is a retired Romanian rower. Competing in eights she won two gold and one silver medals at the 1992–2000 Olympics and four world titles in 1993 and 1997–1999.

Olteanu retired after the 2000 Olympics and gave birth to a child in August 2004, aged 38.^{[citation needed]}