Sayyid Khalifa II bin Harub Al-Said (August 26, 1879 – October 9, 1960) (Arabic: خليفة بن حارب البوسعيد) was the ninth Sultan of Zanzibar. He ruled Zanzibar from December 9, 1911 to October 9, 1960.
In 1900, he married Sayyida Matuka bint Hamud Al-Busaid, daughter of the seventh Sultan of Zanzibar and sister of the eighth Sultan. He was succeeded by his eldest surviving son, Sayyid Abdullah bin Khalifa.
Part of the museum of the Sultan's Palace in Zanzibar is dedicated to Khalifa.
1879–1911: Sayyid Khalifa II bin Harub1911–1914: His Highness Sultan Sayyid Khalifa II bin Harub, Sultan of Zanzibar1914–1919: His Highness Sultan Sayyid Sir Khalifa II bin Harub, Sultan of Zanzibar, KCMG1919–1935: His Highness Sultan Sayyid Sir Khalifa II bin Harub, Sultan of Zanzibar, KCMG, KBE1935–1936: His Highness Sultan Sayyid Sir Khalifa II bin Harub, Sultan of Zanzibar, GBE, KCMG1936–1956: His Highness Sultan Sayyid Sir Khalifa II bin Harub, Sultan of Zanzibar, GCMG, GBE1956–1960: His Highness Sultan Sayyid Sir Khalifa II bin Harub, Sultan of Zanzibar, GCB, GCMG, GBEKing George V Coronation Medal-1911Grand Cordon of the Saidi Order of OmanKing George V Silver Jubilee Medal-1935Knight Grand Cross of the Order of the British Empire (GBE)-1935 (KBE-1919) (Honorary)Knight Grand Cross of the Order of St Michael and St George (GCMG)-1936 (KCMG-1914)King George VI Coronation Medal-1937Commander of the Order of the Shield and Spears of BugandaQueen Elizabeth II Coronation Medal-1953Knight Grand Cross of the Order of the Bath (GCB)-1956 
