Jacobus Johannes Le Sueur
- Born: 19 Oct 1734, Cape of Good Hope
- Christened: 24 Oct 1734, Cape of Good Hope
- Marriage (1): Johanna Hillegonda de Wet on 18 Sep 1763
- Died: 1807 at age 73
Another name for Jacobus was Jacobus Johannes le Sueur de la Croix.
Events in his life were:
• He worked as a Magistrate; Advocate.
Jacobus married Johanna Hillegonda de Wet, daughter of Johannes Carolus de Wet and Maria Magdalena Blankenberg, on 18 Sep 1763. (Johanna Hillegonda de Wet was christened on 20 Jan 1744 in Cape Town, Cape of Good Hope.)