| Melissa McMahon | |
| Honorific-Suffix: | MP |
| Constituency Am: | Macalister |
| Assembly: | Queensland Legislative |
| Term Start: | 25 November 2017 |
| Predecessor: | New seat |
| Birth Date: | 1976 5, df=yes |
| Birth Place: | Brisbane, Queensland |
| Party: | Labor |
| Children: | 3 |
| Residence: | Logan |
| Alma Mater: | Griffith University Charles Sturt University |
| Occupation: | Police officer Army officer |
| Allegiance: | Australia |
| Branch: | Australian Army |
| Serviceyears: | 1994–2017 |
| Rank: | Major |
| Battles: | Operation Astute |
Melissa Fay McMahon (born 15 May 1976) is an Australian politician. She has been the Labor member for Macalister in the Queensland Legislative Assembly since 2017.[1] She is a member of the Parliamentary Crime and Corruption Committee (PCCC) and the Legal Affairs and Community Safety Committee (LACSC) of the Queensland Parliament.[2]
Prior to her election to the Queensland Parliament, McMahon was a major in the Australian Army working in CIMIC, military police, information operations and career management. She served overseas in Timor-Leste in 2008 and 2011. She was also a senior sergeant in the Queensland Police Service, having worked on the Gold Coast, Logan and Brisbane.
McMahon has bachelor's degrees in behavioural science, policing and secondary education with a diploma of public safety and qualifications in training and education.
In the 2015 Queensland state election she ran in the seat of Albert, gaining a two-party-preferred swing of 10%, but lost to incumbent Mark Boothman.
McMahon is President of the Beenleigh Neighbourhood Centre. She has three children.