| Country: | Northern Territory |
| Type: | parliamentary |
| Ongoing: | no |
| Election Date: | 18 March 2023[1] |
| Registered: | 5,536 |
| Turnout: | 58.1% |
| Last Update: | 31 March 2023 |
| Time Zone: | ACDT |
| Previous Election: | 2020 Northern Territory general election |
| Previous Year: | 2020 |
| Next Election: | 2024 Northern Territory general election |
| Next Year: | 2024 |
| Party1: | Australian Labor Party |
| Popular Vote1: | 2,038 |
| Percentage1: | 66.7% |
| Swing1: | 17.7 |
| Candidate2: | Leslie Tungatalum |
| Party2: | Country Liberal Party |
| Popular Vote2: | 897 |
| Percentage2: | 29.4% |
| Swing2: | 10.8 |
| 2Blank: | TPP |
| 1Data1: | 69.2% |
| 1Data2: | 30.8% |
| 2Data1: | 15.6 |
| 2Data2: | 15.6 |
| Before Party: | Australian Labor Party |
| After Party: | Australian Labor Party |
The 2023 Arafura by-election was held on Saturday, 18 March 2023 to elect the next member of the Northern Territory Legislative Assembly for the electoral division of Arafura. The by-election was triggered by the death of incumbent Labor MP Lawrence Costa, who died on 17 December 2022 and had a state funeral held for him on 1 March.[2] The election was won by Labor candidate Manuel Brown. Chief Minister and NT Labor leader Natasha Fyles declared victory after two hours of counting.[3]
| Party | Candidate | Background | ||
|---|---|---|---|---|
| Leslie Tungutalum | Deputy Mayor of the Tiwi Islands Regional Council. Son of former member for Tiwi Hyacinth Tungutalum. | |||
| Manuel Brown | Former liaison officer for Costa. | |||
| Federation | Alan Middleton | Party officer.[4] | ||