| Jimm | He who supplants |
| Jocellyn | From the tribe of gauts / one who is cheerful; happy |
| Jonattan | A variation meaning gift from the Lord. |
| Jorgey | A diminutive form meaning a farmer. |
| Joshuah | The Lord is my salvation today. |
| Josslynn | A variation of the name Jocelyn. |
| Juhani | God is merciful |
| Kaapo | Gods bravest man |
| Kadeeja | Arabic name meaning trustworthy one. |
| Kadri | Estonian name meaning powerful ruler. |
| Kaeb | Kaeb is a variant of the name Caleb, meaning 'faithful, devoted, or loyal' in Hebrew. |
| Kalino | A bright, shining light |
| Kallee | A beautiful girl |
| Kamon | A traditional family crest |
| Kania | A tall, graceful woman |
| Kasci | A person who is pure and bright. |
| Kasthure | Kasthure is a Tamil name meaning 'cassia flower' or 'senna flower', symbolizing beauty and elegance. |
| Katib | A professional writer or scribe. |
| Kaylib | A dog; faithful |
| Keeva | An Irish name meaning gentle or kind. |
| Kelela | A name meaning vocal or musical. |
| Kelsei | A form of kelsey |
| Keno | Tribe and shiny |
| Kenyan | A name meaning from the mountain. |
| Kepano | Garland or crown |
| Kettil | A name meaning a ritual cauldron. |
| Khaadhi | Low profile; Loyal; Faithful; Obey |
| Khafeer | Khafeer means 'one who is generous' or 'magnanimous' in Arabic, derived from the root kh-f-r. |
| Khafir | A person who denies or rejects God, often used to describe an apostate or infidel. |
| Khales | One who is pure and sincere. |
| Khalf | Arabic name meaning 'half' or 'one who is half of something', possibly referring to a person's status or identity. |
| Khallid | One who is eternal or lasting. |
| Khattar | One who is proud and noble. |
| Khoda dad | A gift given by the Creator. |
| Khokuna | Khokuna means 'small' or 'little' in the Zulu language of South Africa. |
| Khoorsheeda | One who shines like the sun. |
| Khuwaild | Khuwaild is an Arabic name meaning 'one who is blessed with good fortune and prosperity'. |
| Kimsuka | A name meaning a parrotlike. |
| Klavdiya | The Russian version of the name Claudia. |
| Klement | A person who is mild and merciful. |