| Name | Meaning | Gender | Origin |
|---|
| Jingles | | Unisex | Hebrew |
| John | God is merciful | Male | Hebrew |
| Jolly | Full of good humor and high spirits. | Unisex | |
| Jon | God is gracious; or gift of Jehovah | Male | English |
| Jonah | Dove. In the bible Jonah was on board a ship God caused to sink: sailors traditionally use the name Jonah to personify someone who brings bad luck.
| Male | Hebrew |
| Joseph | God will increase | Male | Hebrew |
| Joshua | God is salvation
| Male | Hebrew |
| Judas | praised | Male | Greek |
| Kevin | handsome | Male | Irish |
| Killer | | Unisex | |
| Klaus | Scandinavian and German variation of Nicolas | Male | |
| Kringle | | Unisex | |
| Kristopher | Greek and Latin, bearer of Christ | Male | Greek |
| Lips | | Unisex | |
| Lucius | Light | Male | Roman |
| Luke | Light | Male | Greek |
| Magi | | Unisex | Hebrew |
| Manny | God Is With Us | Male | English |
| Marzipan | from the Flash cartoon Homestar Runner | Unisex | |
| Matthew | Gift of the Lord | Male | Hebrew |
| Max | Large spring | Male | English |
| Max | Large spring | Male | English |
| Maximus | greatest | Male | Latin |
| Micah | who is like the Lord | Male | Hebrew |
| Michael | who is like God | Male | Hebrew |