| Isaak Augustijn Rumpf | |
| Order: | 18th |
| Office: | Governor of Dutch Ceylon |
| Term Start: | 5 December 1716 |
| Term End: | 21 June 1723 |
| Predecessor: | Hendrik Bekker |
| Successor: | Arnold Moll acting governor |
| Birth Date: | 21 November 1673 |
| Birth Place: | The Hague |
| Death Place: | Colombo |
Isaak Augustijn Rumpf (1673–1723) was a governor of Dutch Ceylon. He was appointed on 5 December 1716 and was Governor until 11 June 1723, when he died in office.[1]
Rumpf (sometimes spelled Rumph) was the son of the diplomat Christiaan Constantijn Rumpf (1633, The Hague – 1706, Stockholm) and Elisabeth Pierrat de Longueville (1646–1675). He obtained a Doctor of Laws degree at Leiden University and left for the Indies early in 1707. En route, on 26 June 1707 in Cape Town,https://books.google.com/books?id=Bl5UAAAAcAAJ&pg=RA1-PA398 he married Gijsberta Joanna Blesius (born 1686, Cape Town). Isaak and Gijsberta had a daughter Susanna. Gijsberta remarried in 1726 as widow Rumpf with Mr. Everhard Kraayvanger of Macassar, Advocate Fiscaal of India.[2]