Mordenvale
- mundane location: Newcastle, NSW
- website: http://lochac.sca.org/mordenvale/
- was a shire in Lochac from 1 May 1984 to 12 July 2003
- barony in Lochac since 12 July 2003
Landed Gentry of Mordenvale
- Ragnar Magnússon and Lucrezia de Milano
- Baron and Baroness of Mordenvale
- invested on 12 July 2003
- stepped down on 7 January 2006
- Gilchrist Morgan and Lillian d'Ath
- Baron and Baroness of Mordenvale
- invested on 7 January 2006
- stepped down on 30 September 2012
- Ludwig von Lichtenstein and Tórfa svell fara
- Baron and Baroness of Mordenvale
- invested on 30 September 2012
- stepped down on 2 July 2016
- Ulf Skeggison and Sigrid Olafsdottir
- Baron and Baroness of Mordenvale
- invested on 2 July 2016
- stepped down on 3 October 2020
- Thomas Bacchus and Mildryth Thomaswyf
- Baron and Baroness of Mordenvale
- invested on 3 October 2020
- stepped down on 1 July 2023
- Gavriil Slotkovich and Kolfinna Burlufótr
- Baron and Baroness of Mordenvale
- invested on 1 July 2023