| Honorific Prefix: | Sir |
| Office: | Grand Master of Lodge de Goede Hoop (South African Freemasons) |
| Term Start: | 1799 |
| Term End: | 1804 |
| Term Start2: | 1812 |
| Term End2: | 1827 |
| Predecessor2: | Office established |
| Birth Name: | Johannes Andreas Truter |
| Birth Date: | 11 October 1763 |
| Birth Place: | Cape Town, South Africa |
| Death Place: | Cape Town, South Africa |
| Nationality: | South African |
| Spouse: | Sophia Alida Truter de Wet |
| Children: | 5 |
| Known For: | Chief Justice and Freemason |
Johannes Andreas Truter, also known as Sir John Truter (11 October 1763 - 5 June 1845), was the judicial officer of the Cape Colony and president of the Court of Justice at the Cape of Good Hope. He was also a South African Freemason and member of the Grand Orient of the Netherlands in South Africa.[1] He was the uncle of Marie Koopmans-de Wet.
Truter also served on the first board of directors of the South African College, which would later become the University of Cape Town and SACS.[2]