Editing Hamm, North Rhine-Westphalia (section)

===Mayor===
The current Lord Mayor (''[[Oberbürgermeister]]'') of Hamm is Marc Herter of the [[Social Democratic Party of Germany|Social Democratic Party]] (SPD) since 2020. The Mayor is directly elected for a five-year term. Prior to the 1999 local administration reform in North Rhine-Westphalia, the ''Oberstadtdirektor'' was the chief executive of the city, and was chosen by the city council.

The most recent mayoral election was held on 13 September 2020, with a runoff held on 27 September, and the results were as follows:

{{election table}}
! rowspan=2 colspan=2| Candidate
! rowspan=2| Party
! colspan=2| First round
! colspan=2| Second round
|-
! Votes
! %
! Votes
! %
|-
| bgcolor={{party color|Social Democratic Party of Germany}}| 
| align=left| Marc Herter
| align=left| [[Social Democratic Party of Germany|Social Democratic Party]]
| 28,775
| 40.7
| 42,190
| 63.6
|-
| bgcolor={{party color|Christian Democratic Union of Germany}}| 
| align=left| Thomas Hunsteger-Petermann
| align=left| [[Christian Democratic Union of Germany|Christian Democratic Union]]
| 26,464
| 37.4
| 24,177
| 36.4
|-
| bgcolor={{party color|Alliance 90/The Greens}}| 
| align=left| Arnela Sačić
| align=left| [[Alliance 90/The Greens]]
| 5,086
| 7.2
|-
| bgcolor={{party color|Alternative for Germany}}| 
| align=left| Pierre Jung
| align=left| [[Alternative for Germany]]
| 3,137
| 4.4
|-
| bgcolor={{party color|Free Democratic Party (Germany)}}| 
| align=left| Ingo Müller
| align=left| [[Free Democratic Party (Germany)|Free Democratic Party]]
| 2,476
| 3.5
|-
| 
| align=left| Cevdet Gürle
| align=left| Pro Hamm
| 1,829
| 2.6
|-
| bgcolor={{party color|Independent politician}}| 
| align=left| Gerd Heistermann
| align=left| [[Independent politician|Independent]]
| 1,190
| 1.7
|-
| bgcolor={{party color|The Left (Germany)}}| 
| align=left| Sandra Riveiro Vega
| align=left| [[The Left (Germany)|The Left]]
| 1,111
| 1.6
|-
| bgcolor={{party color|Independent politician}}| 
| align=left| Peter Kessler
| align=left| [[Independent politician|Independent]]
| 496
| 0.7
|-
| bgcolor=#553A26| 
| align=left| Christian Worch
| align=left| [[The Right (Germany)|The Right]]
| 173
| 0.2
|-
! colspan=3| Valid votes
! 70,737
! 99.0
! 66,367
! 99.3
|-
! colspan=3| Invalid votes
! 729
! 1.0
! 491
! 0.7
|-
! colspan=3| Total
! 71,466
! 100.0
! 66,858
! 100.0
|-
! colspan=3| Electorate/voter turnout
! 136,561
! 52.3
! 136,467
! 49.0
|-
| colspan=7| Source: [https://www.wahlergebnisse.nrw/kommunalwahlen/2020/aktuell/b915000kw2000.shtml State Returning Officer]
|}