Bukar ko Bukar Kura bin Umar al-Kanemi (c. 1830-c. 1884 ko 1885) shi ne Shehu na Borno daga 1881 zuwa c. 1884. Bukar ya zama shehun Borno ne a 1881 bayan mutuwar mahaifinsa Umar I ibn Muhammad al-Amin . Mulkinsa na shekaru uku ya kasance cikin mummunan rikicin tattalin arziki wanda ya tilasta masa sanya haraji akan talakawansa. A cikin yaren Kanuri, ana kiran wannan harajin kumoreji (ya raba rabi ga mabuƙsta) wanda ke nufin cewa Bukar ya ba da rabin dukiyar talakawansa. A cikin 1851, wani balaguron Biritaniya karkashin jagorancin Heinrich Barth ya isa Borno. Barth ya hadu da Bukar lokacin da yake kusan shekara goma sha biyu kuma a cewarsa ya kasanc  I Barth, Heinrich, Balaguro da Ganowa a Arewa da Tsakiyar Afirka (London: Longman, 1857). Brenner, Louis, Shehus na Kukawa: Tarihin Daular Al-Kanemi na Bornu, Nazarin Oxford a Harkokin Afirka (Oxford, Clarendon Press, 1973). Cohen, Ronald, Kanuri na Bornu, Nazarin Shari'a a Anthropology na Al'adu (New York: Holt, 1967).