Masarautar Kotoko ta kasance masarautar mallaka ce ta Afirka a wacce yau take arewacin Kamaru da Najeriya, da kuma kudu maso yammacin Chadi . An san mazaunan daular a matsayin mutanen Kotoko . Habakar Kotoko ta samo asaline a lokacin faɗuwar daular Sao a arewacin Kamaru. Wani sarki ya zama shugaban su har ya shugabanci jihar kuma ya mara mata baya, wanda ya zo ya mamaye wasu kananan dauloli. Daga cikin wadannan akwai Kousséri, Logone-Birni, Makari, da Mara. sasssan Kotoko ya watsu ne cikin sassan abin da yake yanzu arewacin Kamaru da Najeriya, da kuma kudu maso yammacin Chadi har zuwa tsakiyar karni na 15. Logone-Birni ya bayyana a matsayin wanda ya fi tasiri a masarautar a matsayin shi na abokin ciniki ta Kotoko. Masarautar Kanem ta kawo arewacin Kotoko cikin yanayin tasiri tun da farko. Ta hanyar ayyukan mishaneri da masu cin garuruwa da mamaye su, yawancin yan arewacin Kotoko sun musulunta zuwa ƙarni na 19. A wannan karnin ne Kotoko kansa ya kasance cikakke a cikin Daular Bornu, kuma Musulunci ya ci gaba da yaduwa.