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 Harub
1911–1914: His Highness Sultan Sayyid Khalifa II bin Harub, Sultan of Zanzibar
1914–1919: His Highness Sultan Sayyid Sir Khalifa II bin Harub, Sultan of Zanzibar, KCMG
1919–1935: His Highness Sultan Sayyid Sir Khalifa II bin Harub, Sultan of Zanzibar, KCMG, KBE
1935–1936: His Highness Sultan Sayyid Sir Khalifa II bin Harub, Sultan of Zanzibar, GBE, KCMG
1936–1956: His Highness Sultan Sayyid Sir Khalifa II bin Harub, Sultan of Zanzibar, GCMG, GBE
1956–1960: His Highness Sultan Sayyid Sir Khalifa II bin Harub, Sultan of Zanzibar, GCB, GCMG, GBE
King George V Coronation Medal-1911
Grand Cordon of the Saidi Order of Oman
King George V Silver Jubilee Medal-1935
Knight 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-1937
Commander of the Order of the Shield and Spears of Buganda
Queen Elizabeth II Coronation Medal-1953
Knight Grand Cross of the Order of the Bath (GCB)-1956
