Daniel Otto Christian Isaachsen (22 August 1806 – 9 December 1891) was a Norwegian businessperson and politician.
He was born in 1806 as the son of wealthy businessman Daniel Isaachsen and his second wife Hanne Susanne Nideros.
[1] He was the half-brother of Peder and Isaach Isaachsen.
[2] He was elected to the Norwegian Parliament in 1839, representing the constituency of Christianssand.
This article about a Norwegian politician born between 1800 and 1809 is a stub.