| Donald I. Mohler, III | |
| Office: | 13th Executive of Baltimore County |
| Term Start: | May 29, 2018 |
| Term End: | December 3, 2018 |
| Predecessor: | Fred Homan (Acting) |
| Successor: | Johnny Olszewski |
| Party: | Democrat |
| Occupation: | educator, school administrator |
Donald Mohler is an American politician from Maryland and a member of the Democratic Party. He served as the 13th Baltimore County Executive.
Donald Mohler was appointed by the Baltimore County Council on May 29, 2018, as County Executive to replace the recently deceased Kevin B. Kamenetz.[1] He had previously served as the Chief of Staff and Communications Director to County Executives Kevin B. Kamenetz and James T. Smith.[2]