Mostert
Mostert is a Dutch and Afrikaans metonymic occupational surname. Meaning "mustard", it originally referred to a mustard miller or salesman. The Middle Dutch spelling Mostaert and modern Dutch spelling Mosterd are among variant forms of the surname. People with these surnames include:
- Chaz Mostert, Australian racing driver
- Chris Mostert, Dutch saxophonist
- Franco Mostert, South African rugby player
- Frederick Mostert, South African trademark attorney and legal writer
- Gerhard Mostert, South African rugby player
- , German football defender
- , Dutch correspondence chess player and president
- Herman Mostert, South African rugby player
- JP Mostert, South African rugby player
- Joseph Mostert, Belgian middle-distance runner
- Karla Mostert, South African netball player
- Mark Mostert, South African-born American non-fiction writer
- Mary Mostert, American Mormon missionary and writer
- Natasha Mostert, South African novelist and screenwriter
- Nicol Mostert, South African rugby player
- Phil Mostert, South African rugby player
- Raheem Mostert, American football running back
;Mostaert