İsmail Hakkı

İsmail Hakkı may refer to:

• Bursalı İsmail Hakkı or İsmail Hakkı Bursevî (1653 – 1725), Ottoman lyricist, Sufi sheikh of the Jelveti Tekke in Bursa
• Kurt İsmail Hakkı Pasha (1818 – 1897), Ottoman field marshal and governor
• İsmail Hakkı (musician) (1865 – 1927), composer of Mehter marches
• İsmail Hakkı Şinasi Erel (1871 – 1941), Turkish admiral
• Gümülcineli İsmail Hakkı (1877 – 1942), liberal Turkish politician
• İsmail Hakkı Okday (1881 – 1977), Ottoman and Turkish officer and diplomat
• İsmail Hakkı Bey (1883 – 1923), officer of the Ottoman Army and the Turkish Army
• İsmail Hakkı (army officer) (1883 – 1923), Ottoman army officer
• İsmail Hakkı Baltacıoğlu (1886 – 1978), Turkish academic and politician
• İsmail Hakkı Uzunçarşı (1888 – 1977), Turkish historian and politician
• İsmail Hakkı Berkok (1890 – 1954), Circassian–Turkish general and politician
• İsmail Hakkı Tonguç (1893 – 1960), Turkish pedagogist and educational minister
• İsmail Hakkı Tunaboylu (1895 – 1958), Turkish general
• İsmail Hakkı Alaç (1911 – 1989), Turkish footballer
• İsmail Hakkı Akansel (1924 – 2016), Turkish politician
• İsmail Hakkı Karadayı (1932 – 2020), Turkish general
• İsmail Hakkı Sunat (1966 – 2004), Turkish actor
• İsmail Hakkı Duru (born 1946), Turkish theoretical physicist and professor of Mathematics