List of people executed in Montana
{{Short description|None}}
{{Use mdy dates|date=April 2025}}
The following is a list of people executed by the U.S. state of Montana since capital punishment was resumed in 1976.
A total of 3 people convicted of murder have been executed since the Gregg v. Georgia decision. They were all executed by lethal injection. Terry Langford and David Dawson waived their appeals and asked that their executions be carried out.{{cite web|url=https://deathpenaltyinfo.org/database/executions?state=Montana&federal=No|title=Execution Database | Death Penalty Information Center|publisher=Death Penalty Information Center|access-date=August 16, 2019}}
| class="wikitable sortable" style="text-align:center;" |
| scope="col" | {{Abbr|No.|Number}}
! scope="col" | Name ! scope="col" | Race ! scope="col" | Age ! scope="col" | Sex ! scope="col" data-sort-type="date" | Date of execution ! scope="col" | County ! scope="col" | Method ! scope="col" | Victim(s) ! scope="col" | Governor |
|---|
| scope="row" | 1
| {{sortname|Duncan Peder|McKenzie Jr.|Duncan McKenzie (murderer)}} | White | 43 | M | May 10, 1995 | Pondera | rowspan="3"|Lethal injection | Lana Harding | rowspan="2"|Marc Racicot |
| scope="row" | 2
| {{sortname|Terry Allen|Langford|Terry Langford}} | White | 31 | M | February 24, 1998 | Powell | Ned Blackwood and Celene Blackwood |
| scope="row" | 3
| {{sortname|David Thomas|Dawson}} | White | 48 | M | August 11, 2006 | David Rodstein, Monica Rodstein, and Andrew Rodstein |
Demographics
| class="wikitable" style="text-align:center;" |
| colspan="3" | Race |
|---|
| White
| 3 | 100% |
| colspan="3" | Age |
| 30–39
| 1 | 33% |
| 40–49
| 2 | 67% |
| colspan="3" | Sex |
| Male
| 3 | 100% |
| colspan="3" | Date of execution |
| 1976–1979
| 0 | 0% |
| 1980–1989
| 0 | 0% |
| 1990–1999
| 2 | 67% |
| 2000–2009
| 1 | 33% |
| 2010–2019
| 0 | 0% |
| 2020–2029
| 0 | 0% |
| colspan="3" | Method |
| Lethal injection
| 3 | 100% |
| colspan="3" | Governor (Party) |
| Thomas Lee Judge (D)
| 0 | 0% |
| Ted Schwinden (D)
| 0 | 0% |
| Stan Stephens (R)
| 0 | 0% |
| Marc Racicot (R)
| 2 | 67% |
| Judy Martz (R)
| 0 | 0% |
| Brian Schweitzer (D)
| 1 | 33% |
| Steve Bullock (D)
| 0 | 0% |
| Greg Gianforte (R)
| 0 | 0% |
| Total
! 3 ! 100% |