| Name | Meaning | Gender | Origin |
|---|
| India | Body of water | Female | Sanskrit |
| Indiana | Land of Indians | Unisex | English |
| Iona | Island | Female | Norse |
| Ireland | Land of Ériu | Unisex | English |
| Isla | Scottish island | Female | English |
| Jackson | Jack's son | Male | English |
| Jasper | Treasurer | Male | Persian |
| Java | Brewed coffee | Unisex | English |
| Jordan | Descend | Male | Hebrew |
| Judah | Praise | Male | Hebrew |
| Kent | Uncertain, perhaps coastal region | Male | English |
| Kenya | The country of Kenya | Female | English |
| Kimberly | Variable prefix + forest clearing | Unisex | English |
| Knox | Round-topped hill | Male | English |
| Kobe | A Japanese city | Male | Japanese |
| Kush | Deified hero of later hinduism | Male | Indian |
| Larissa | From the ancient city Larisa | Female | Russian |
| Leon | Lion | Male | Latin |
| Lincoln | Lake settlement, lake colony | Male | English |
| Logan | Hollow | Unisex | Gaelic |
| London | From London | Male | English |
| Lorraine | Of Lothair | Female | French |
| Lourdes | Craggy slope | Female | Basque |
| Lucia | Light | Female | Latin |
| Lydia | Noble kind | Female | Germanic |
| Macon | Maker | Male | English |
| Madison | Son of Maud | Unisex | English |
| Makena | Happy one | Female | African |
| Mali | Flower | Female | Thai |
| Mariana | Latinate form of Marian | Female | Latin |