Matz Jenssen (30 October 1760 – 12 August 1813) was a Norwegian businessman.
Upon his death in 1813, his wife Anna, née Schjelderup Dorenfeldt (1763–1846) took over.
[1] Jens Nicolai had three sons and three daughters; the oldest son Christian Mathias was a notable businessperson whereas one daughter married a member of the Getz family.
Hans Peter married a sister of John Moses, and fathered the businessman Anthon Mathias Jenssen.
Matz' fourth son, Lauritz Dorenfeldt Jenssen, was the father of Lauritz Jenssen and grandfather of Hans Jørgen and Worm Hirsch Darre-Jenssen.