Count Sadakoto Hisamatsu /Japanese: 久松定謨 October 6, 1867 - February 19, 1943/ was a Japanese army officer and the head of the Hisamatsu family. He served as the commander of the 1st Infantry Brigade and the 5th Infantry Brigade.
French Legion of Honour, Imperial Russian 3rd class St.Anna for Non-Christians, Knights Cross of Austro-hungarian Imperial Order of Franz Josef, Imperial Order of the Dragon of Annam (awarded on September 26, 1894).