| Ishtyak | A deep longing or intense desire. |
| Ishtyaq | Passionate yearning for someone. |
| Isli | One who is pure and noble of heart. |
| Ismailkhan | A variant of the name Ismail Khan, meaning 'gift of God'. |
| Ismal | A variant of the name Ismail, meaning 'gift of God'. |
| Ismath | A variant of the name Ismail, meaning 'gift of God'. |
| Ismathullah | A variant of the name Ismail, meaning 'gift of God' and 'of Allah'. |
| Ismaw | A variant of the name Ismail, meaning 'gift of God'. |
| Ismayl | A variant of the name Ismail, meaning 'gift of God'. |
| Ismeal | A variant of the name Ismail, meaning 'gift of God'. |
| Ismeil | A variant of the name Ismail, meaning 'gift of God'. |
| Ismit | A variant of the name Ismail, meaning 'gift of God'. |
| Israah | Derived from the Arabic word for 'night journey'. |
| Israeli | Relating to the Jewish people or the state of Israel. |
| Israfeel | Derived from the Arabic word for 'angel of the trumpet'. |
| Israh | One who is Free |
| Israq | Derived from the Arabic word for 'ascension'. |
| Istack | A variant of the name Isaac, meaning 'laughter'. |
| Istiaq | Desire or longing for something |
| Istighfaar | Seeking forgiveness from Allah |
| Istikar | Seeking knowledge or guidance |
| Istiyak | Desire or longing for something |
| Istiyaq | Desire or longing for something |
| Istkar | Seeking knowledge or guidance |
| Itbir | Patience and perseverance |
| Ithris | Excellence or superiority |
| Itri | Trustworthy or reliable |
| Iwad | Favor or blessing |
| Ixzi | Good fortune or prosperity |
| Iyadi | Gift or blessing from Allah |
| Iyazuddin | Gift or blessing from Allah, given by the name of Din (religion) |
| Iydin | A person who brings joy and light. |
| Iyyad | A strong supporter or protector. |
| Iyyas | One who brings comfort and relief. |
| Izaam | Growth, Increase |
| Izaaz | Prosperity, Wealth |
| Izaf | Connection, Bond |
| Izah | The act of clarifying or explaining. |
| Izain | A person of great beauty and grace. |
| Izaj | One who is honest and trustworthy. |