| Name | Meaning | Gender | Origin | Rashi |
|---|---|---|---|---|
| Isa | Jesus | 👦 Boy | Arabic | — |
| Isaac | He will laugh | 👦 Boy | Hebrew | — |
| Isabel | God is my oath | 👧 Girl | Spanish | — |
| Isabela | God is my oath | 👧 Girl | Portuguese | — |
| Isabell | God is my oath | 👧 Girl | German | — |
| Isabella | God is my oath | 👧 Girl | International, Spanish | — |
| Isabelle | God is my oath | 👧 Girl | French | — |
| Isabelly | God is my oath | 👧 Girl | Portuguese | — |
| Isadora | Gift of Isis | 👧 Girl | Portuguese | — |
| Isai | God's gift (Jesse) | 👦 Boy | Spanish | — |
| Isaiah | God is salvation | 👦 Boy | Hebrew | — |
| Isaias | God is salvation (Isaiah) | 👦 Boy | Spanish | — |
| Isak | He will laugh (Isaac) | 👦 Boy | Norse | — |
| Isaura | From Isauria | 👧 Girl | Spanish | — |
| Isela | God is my oath (Isabel) | 👧 Girl | Spanish | — |
| Iseul | Dew (이슬) | 👧 Girl | Korean | — |
| Isha | Goddess; Protector | 👧 Girl | Sanskrit | Vrishabh |
| Ishaan | Lord Shiva; The sun; North-east direction | 👦 Boy | Sanskrit | Vrishabh |
| Ishak | Isaac (Ishaq) | 👦 Boy | Arabic | — |
| Ishaku | Isaac (Ishaq) | 👦 Boy | Hausa | — |
| Ishan | Lord Shiva; The sun | 👦 Boy | Sanskrit | Vrishabh |
| Ishana | Wealthy; Goddess Durga | 👧 Girl | Sanskrit | Vrishabh |
| Ishani | Goddess Durga; Wife of Shiva | 👧 Girl | Sanskrit, Bengali | Vrishabh |
| Ishant | Lord Vishnu | 👦 Boy | Sanskrit | Vrishabh |
| Ishaq | Isaac; Laughter | 👦 Boy | Arabic | — |
| Ishara | Sign; Gesture | 👧 Girl | Sinhala | — |
| Ishaya | God is salvation (Isaiah) | 👦 Boy | Hausa | — |
| Ishfaq | Compassion; Affection | 👦 Boy | Arabic | — |
| Ishika | Paintbrush; Sacred | 👧 Girl | Sanskrit | Vrishabh |
| Ishimwe | Praise (to God) | 🧒 Unisex | Kinyarwanda | — |
| Ishita | Desired; Mastery | 👧 Girl | Sanskrit | Vrishabh |
| Ishmael | God hears | 👦 Boy | Hebrew | — |
| Ishola | Wealth is everything | 👦 Boy | Yoruba | — |
| Ishrat | Joy; Enjoyment | 👧 Girl | Arabic | — |
| Ishtiaq | Longing; Desire | 👦 Boy | Arabic | — |
| Ishwar | God; Lord | 👦 Boy | Sanskrit | Vrishabh |
| Isiaka | Isaac (Ishaq) | 👦 Boy | Yoruba | — |
| Isidora | Gift of Isis | 👧 Girl | Greek | — |
| Isidoro | Gift of Isis | 👦 Boy | Italian | — |
| Isidro | Gift of Isis | 👦 Boy | Spanish | — |
| Isikeli | God strengthens (Ezekiel) | 👦 Boy | Pacific | — |
| Isis | Isis, the Egyptian goddess | 👧 Girl | Egyptian | — |
| Işık | Light | 👦 Boy | Turkish | — |
| Işıl | Glittering; Shining | 👧 Girl | Turkish | — |
| Iskandar | Defender of people (Alexander) | 👦 Boy | Malay | — |
| Iskender | Defender of people (Alexander) | 👦 Boy | Turkish | — |
| Isla | After the island of Islay | 👧 Girl | English, Scottish | — |
| Islam | Islam; Submission to God | 👦 Boy | Arabic | — |
| Islom | Islam; Submission to God | 👦 Boy | Uzbek | — |
| Ismael | God hears (Ishmael) | 👦 Boy | Spanish | — |
| Ismaele | God hears (Ishmael) | 👦 Boy | Italian | — |
| Ismail | God hears; Ishmael | 👦 Boy | Arabic, Dhivehi | — |
| Ismaila | God hears (Ishmael) | 👦 Boy | Hausa | — |
| Ismet | Honour; Chastity | 👦 Boy | Turkish | — |
| Isobel | God is my oath | 👧 Girl | Scottish | — |
| Isra | The Prophet's night journey | 👧 Girl | Arabic | — |
| Israa | The Prophet's night journey | 👧 Girl | Arabic | — |
| Israel | God contends; He who strives with God | 👦 Boy | Hebrew | — |
| Israfil | Israfil, the archangel | 👦 Boy | Turkish | — |
| Israr | Secrets | 👦 Boy | Arabic | — |
| Israt | Joy; Happiness (Ishrat) | 👧 Girl | Bengali | — |
| Issa | Jesus (Isa) | 👦 Boy | Arabic | — |
| Issac | He will laugh (Isaac) | 👦 Boy | English | — |
| Issam | Safeguard; Protection | 👦 Boy | Arabic | — |
| István | Crown (Stephen) | 👦 Boy | Hungarian | — |
| Isuru | Prosperity; Wealth | 👦 Boy | Sinhala | — |
| Isyaku | Isaac (Ishaq) | 👦 Boy | Hausa | — |