| Name | Meaning | Gender | Origin |
|---|
| Hugo | Intelligent
| Male | Latinized |
| Hunter | A hunter. One who searches for something | Male | English |
| Hyde | hide | Male | English |
| Ian | Form of John | Male | Scottish |
| Ingo | Male Leader | Male | Scandinavian |
| Isabel | concecrated to God | Female | Spanish |
| Isabella | pledged to God | Female | Spanish |
| Ismael | Hebrew, God will hearken; Arabic, outcast | Male | Spanish |
| J. | Jay | Unisex | |
| J.R. | after the TV character in Dallas | Unisex | |
| Jack | after the Georgetown University mascot, Jack the Bulldog | Male | English |
| Jack | From John - God's gracious gift | Male | English |
| Jackson | Son of Jack | Male | English |
| Jacob | The supplanter, held by the heel | Male | Hebrew |
| Jade | Jewel. Courageous and adoring.
| Female | Spanish |
| Jai | Victorious | Unisex | Hindu |
| Jake | From Jacob - To fill the place of another | Male | Hebrew |
| James | From Jacob - To fill the place of another, supplanter. | Male | English |
| Jamie | Feminine of James | Female | Scottish |
| Jane | gracious, merciful, God is gracious | Female | English |
| Janet | Variant of Jane | Female | English |
| Jason | the Lord is salvation | Male | Hebrew |
| Jean | God is gracious | Male | |
| Jeanette | French variation of Jean, God is gracious | Female | |
| Jeff | pledge of peace | Male | English |