| Deo A. Koenigs | |
| Office: | Member of the Iowa House of Representatives |
| Term Start: | 1983 |
| Term End: | 1999 |
| Birth Date: | 30 January 1935 |
| Birth Place: | Mitchell County, Iowa, United States |
| Party: | Democratic |
| Occupation: | farmer |
Deo A. Koenigs (born January 30, 1935) was an American politician in the state of Iowa.
Koenigs was born in Mitchell County, Iowa. He was a farmer. He served in the Iowa House of Representatives from 1983 to 1999, as a Democrat.[1]