Kristian Lous (9 August 1875 – 24 September 1941) was a Norwegian astronomer.
He was born in Oslo[1] as a son of Attorney General Karl Lous.
Kristian Lous was thus a second cousin of Halvard, Carl Viggo and August Lange.
[5] He managed the Observatory at the Royal Frederick University from 1919 to its closing in 1934.
Special fields include celestial mechanics and the Three-body problem.