

French astronomer (1852–1904)
Octave Callandreau (* 18. September 1852 in Angoulême; † 13. February 1904 in Paris) was a french astronomer. He was 51 years old. He was married to Sophie de Luynes. He had at least 1 child (1 son). He studied at École polytechnique. His awards include Knight of the Legion of Honour and Lalande Prize.