사쓰마 번
was a Japanese samurai of the late Edo period, who served the Shimazu clan of Satsuma, and went on to become a government official of the early Meiji period. He was also commonly known as . Komatsu ruled the fief of Yoshitoshi, which was a part of the Satsuma Domain. Appointed "karō" in 1862, he held high office in the Satsuma domain until its dissolution in 1871. Komatsu was also a descendant of the Sengoku-era samurai Nejime Shigenaga.