Ivan Zanoni Hausen (November 2, 1927 - April 21, 2003) was a Brazilian track and field athlete who competed at the 1948 Summer Olympics in the 100 metres, 200 metres and 4 x 100 metres relay.
| Representing | ||||||
|---|---|---|---|---|---|---|
| 1948 | Olympics | London, England | 4th, QF 1 | 100 m | ||
| 1948 | Olympics | London, England | 4th, Qtr 4 | 200 m | 22.3 | |