| Mary Mosiman | |
| Office: | 32nd Auditor of Iowa |
| Governor: | Terry Branstad Kim Reynolds |
| Term Start: | May 13, 2013 |
| Term End: | January 2, 2019 |
| Predecessor: | David Vaudt |
| Successor: | Rob Sand |
| Birth Date: | 13 February 1962 |
| Birth Place: | Ames, Iowa, U.S. |
| Party: | Republican |
| Spouse: | Dan |
| Children: | 4 |
Mary Mosiman (born February 13, 1962) is an American politician who served as the 32nd state auditor of Iowa. A Republican, she was appointed by Governor Terry Branstad to the position of Auditor of State on May 13, 2013, filling a vacancy created when David A. Vaudt resigned.[1] She was elected to a full term of office in 2014.[2] She was defeated by Democrat Rob Sand in 2018.
Previously, she had served as Story County auditor winning election in 2000 and re-election in 2004 and 2008, and as Deputy Iowa Secretary of State from 2010 to 2013.[3]
Mosiman was born and currently resides in Ames, Iowa and grew up in Hubbard, Iowa. She earned her B. A. in Business-Accounting in 1999 and became a Certified Public Accountant in 2003.