| Vonnie Pietsch | |
| State House: | North Dakota |
| District: | 22nd |
| Term Start: | 2002 |
| Term End: | 2012 |
| Birth Date: | 31 January 1936 |
| Birth Place: | North Dakota, U.S. |
| Party: | Republican |
| Spouse: | Bill Pietsch (died 2004) |
| Residence: | Casselton, North Dakota Dallas, Texas |
| Children: | four |
LaVonne A. Pietsch (née Idso; January 31, 1936) is an American politician. She served as a Republican member for the 22nd district in the North Dakota House of Representatives from 2002 to 2012.[1] She was married to Bill Pietsch, who served in the House from 2000 to 2002.[2]