| Hugo | Intelligent | Male |
| Iago | Supplanter | Male |
| Ian | Gift From God Form Of John. | Male |
| Ilsa | Abbreviation Of Elizabeth. | Female |
| Imogen | An Image. Image Of Her Mother. Blameless/Innocent. | Female |
| Jack | Replace (Derivative Of James) | Male |
| Jafar | Rivulet | Male |
| Jake | Abbreviation Of Jacob. | Male |
| James | Replace | Male |
| Jane | Gift From God | Female |
| Janey | Jehovah Has Been Gracious: Has Shown Favor. Variant Of Joan. | Female |
| Jaques | Supplanter | Male |
| Jasmine | Flower | Female |
| Jasper | Variant Of Caspar Or Gaspar Keeper Of The Treasure. | Male |
| Jeff | Peaceful. Variant Of Jeffrey. | Male |
| Jennifer | White Wave | Female |
| Jim | Variant Of Jacob Supplanter. | Male |
| Jock | Supplanter | Male |
| John | Jehovah Has Been Gracious: Has Shown Favor. In The Bible John The Baptist Baptized Christ In The Jordan River. Variants Have Been Created In Almost Every Language. | Male |
| Johnny | Variant Of John Or Abbreviation Of Jonathan Jehovah Has Been Gracious: Has Shown Favor. | Male |
| Jonathan | Gift From God | Male |
| Joshua | God Is Salvation | Male |
| Juba | Ashanti Of Ghana Name Meaning "Born On Monday." | Female |
| Juliette | Youthful Variant Of Julia. Jove's Child. | Female |
| Kale | Strong And Manly | Male |