| Honorific-Prefix: | The Honourable |
| Bart Mellish | |
| Honorific-Suffix: | MP |
| Constituency Mp: | Aspley |
| Parliament: | Queensland |
| Term Start: | 25 November 2017 |
| Predecessor: | Tracy Davis |
| Office1: | Minister for Transport and Main Roads |
| Term Start1: | 18 December 2023 |
| Term End1: | 28 October 2024 |
| Premier1: | Steven Miles |
| Predecessor1: | Mark Bailey |
| Office2: | Minister for Digital Services |
| Term Start2: | 18 December 2023 |
| Term End2: | 28 October 2024 |
| Premier2: | Steven Miles |
| Predecessor2: | Mark Bailey |
| Office3: | Assistant Minister to the Premier for Veterans Affairs and the Public Sector |
| Term Start3: | 18 May 2023 |
| Term End3: | 18 December 2023 |
| Premier3: | Annastacia Palaszczuk Steven Miles |
| Predecessor3: | Himself (as Assistant Minister to the Premier for Trade, Veterans Affairs and COVID Economic Recovery) |
| Successor3: | Jimmy Sullivan (as Assistant Minister for Justice and Veterans Affairs) |
| Office4: | Assistant Minister to the Premier for Veterans Affairs, Trade and COVID Economic Recovery |
| Term Start4: | 18 November 2020 |
| Term End4: | 18 May 2023 |
| Premier4: | Annastacia Palaszczuk |
| Predecessor4: | Jennifer Howard (as Assistant Minister of State Assisting the Premier and Assistant Minister for Veterans Affairs) |
| Successor4: | Himself (as Assistant Minister to the Premier for Veterans Affairs and the Public Sector) |
| Birth Date: | 1983 4, df=yes |
| Birth Place: | Toowoomba, Queensland |
| Party: | Labor |
Bart John Mellish (born 25 April 1983) is an Australian politician. He has been an Australian Labor Party member of the Queensland Legislative Assembly since 2017, representing the electorate of Aspley.
Born in Toowoomba, Queensland, Mellish completed his tertiary education at the University of Southern Queensland completing a Bachelor of Science and post-graduate certificate in Environmental Management, as well as completing a Master of Business Administration, specialising in Environmental Management.[1] Before entering politics, he was a transport and economic policy advisor, environmental consultant, rail consultant and policy advisor, and Chief of Staff to Senator Anthony Chisholm.
Mellish was elected to the Legislative Assembly at the 2017 state election, defeating former Newman Government minister Tracy Davis with a 4.3% swing.[2] He was re-elected at the 2020 election, defeating LNP candidate and former Brisbane City Councillor Amanda Cooper with a 4% swing, increasing his margin to 5.4%. After his re-election, Mellish was promoted to the position of Assistant Minister to the Premier for Veterans' Affairs, Trade and COVID Economic Recovery.[3] Mellish assumed two additional ministries – Transport and Main Roads, and Digital Services – in December 2023. Mellish was re-elected for a third term in 2024, with a 0.04% margin of victory.