| Mandy Johnstone | |
| Constituency Am1: | Townsville |
| Assembly1: | Queensland Legislative |
| Term Start1: | 21 March 2009 |
| Term End1: | 23 March 2012 |
| Predecessor1: | Mike Reynolds |
| Successor1: | John Hathaway |
| Birth Date: | 30 September 1972 |
| Birth Place: | Townsville, Queensland, Australia |
| Nationality: | Australian |
| Party: | Labor |
| Occupation: | Consultant |
| Alma Mater: | James Cook University |
Amanda Ann Johnstone (born 30 September 1972) is an Australian politician who was a Labor Party member of the Legislative Assembly of Queensland from 2009 to 2012 representing Townsville. Mandy Johnstone is also the first female politician elected to the seat of Townsville.[1]
Before entering parliament, Johnstone unsuccessfully ran as a Labor candidate in the 2008 Townsville City Council election.[2]