| Ingridha | A variant meaning fair beauty. |
| Initials | The first letters of a name. |
| Ink | A dark fluid used for writing. |
| Innokenty | Meaning the innocent person. |
| Inoa | A name meaning the namesake. |
| Inoki | A name meaning prayerful one. |
| Input | Data entered into a computer. |
| Inthra | A name meaning the heavens. |
| Irenaeus | Meaning the peaceful person. |
| Irri | A name of Finnish origin meaning peace. |
| Isara | A Thai name meaning freedom or liberty. |
| Iset | Ancient Egyptian name meaning the throne. |
| Ishwarachandra | Moon of the supreme lord or god. |
| Island | A piece of land surrounded by water. |
| Islander | A person who lives on an island home. |
| Itachi | A Japanese name meaning weasel bird. |
| Itamara | A name meaning palm tree of the sea. |
| Itthipol | A Thai name meaning power or influence. |
| Iusaaset | Ancient Egyptian goddess of creation. |
| Ivaansh | A part of the divine light. |
| Ivaldi | A legendary master craftsman. |
| Izuku | One who comes from the spring. |
| Ladakh | Land of the high mountain passes. |
| Ladakhi | A person from the Ladakh region. |
| Ladoo | A round Indian sweet treat. |
| Laelius | Derived from a Roman family name. |
| Laena | A type of ancient Roman cloak. |
| Langa | A traditional South African skirt. |
| Lanzarote | A Spanish volcanic island. |
| Largo | A slow musical tempo marking. |
| Larkspur | A tall blue flowering plant. |
| Lassen | A volcanic peak in California. |
| Laurey | A variant of the laurel tree. |
| Laxminarayan | A union of Lakshmi and Vishnu. |
| Layani | One who is flexible and graceful. |
| Lazio | Derived from the Italian region. |
| Lead | To guide or show the way forward. |
| Ledge | A narrow shelf or rocky outcrop. |
| Leh | A high desert city in the Himalayas. |
| Leibniz | A name meaning son of a beloved. |