| Bob Osterhaus | |
| Office: | Member of the Iowa House of Representatives |
| Term Start: | January 16, 1995 |
| Term End: | January 9, 2005 |
| Birth Date: | 30 January 1931 |
| Birth Place: | Dyersville, Iowa, United States |
| Party: | Democrat |
| Occupation: | pharmacist |
| Spouse: | Ann Duhigg |
| Children: | ten |
Robert J. Osterhaus (born January 30, 1931) is an American politician in the state of Iowa.
Osterhaus was born in Dyersville, Iowa. He attended the University of Iowa and is a pharmacist. A Democrat, he served in the Iowa House of Representatives from 1995 to 2005 (34th district from 1995 to 2003 and 25th district from 2003 to 2005).[1]