| Name | Group | Language of Origin | Languages of Use | Meaning/Translation or Related Words | US 2024 |
| Karol | Karl/Charlotte/Carla | Old High German | English | Words: man, husband | |
| Karola | Karl/Charlotte/Carla | Old High German | German, Latinized | Words: man, husband | |
| Karoliina | Karl/Charlotte/Carla | Old High German | Finnish | Words: man, husband | |
| Karolin | Karl/Charlotte/Carla | Old High German | German | Words: man, husband | |
| Karolina | Karl/Charlotte/Carla | Old High German | German | Words: man, husband | |
| Karolína | Karl/Charlotte/Carla | Old High German | Czech | Words: man, husband | |
| Karoline | Karl/Charlotte/Carla | Old High German | German | Words: man, husband | |
| Károly | Karl/Charlotte/Carla | Old High German | Hungarian | Words: man, husband | |
| Kay | Kai | Old High German | German, English | | |
| Kay | Kai/Kaja | Old High German | German, Low German | | |
| Keno | Kuno | Old High German | Frisian | Words: tribe, clan | |
| Kerttu | Gertrud | Old High German | Finnish | Words: spear / strength, power | |
| Khai | Kai/Kaja | Old High German | English | | #947 |
| Kinga | Kunigunde | Old High German | Hungarian, Polish | Words: tribe, clan / fight | |
| Kirsa | Kirsa | Old High German | German, Scandinavian | maybe cherry | |
| Kléber | Kléber | Old High German | French | maybe mason | |
| Klebert | Kléber | Old High German | French | maybe mason | |
| Klothilde | Klothilde | Old High German | German | Words: loud, famous / fight | |
| Klotild | Klothilde | Old High German | Hungarian | Words: loud, famous / fight | |
| Klotilda | Klothilde | Old High German | German | Words: loud, famous / fight | |
| Klotilde | Klothilde | Old High German | German | Words: loud, famous / fight | |
| Koen | Conrad/Konrada | Old High German | Dutch | Words: bold / counsel, advice, advisor | #681 |
| Koenraad | Conrad/Konrada | Old High German | Dutch | Words: bold / counsel, advice, advisor | |
| Konrad | Conrad/Konrada | Old High German | German, Scandinavian, Polish | Words: bold / counsel, advice, advisor | |
| Konrada | Conrad/Konrada | Old High German | German | Words: bold / counsel, advice, advisor | |
| Konradin | Conrad/Konrada | Old High German | German | Words: bold / counsel, advice, advisor | |
| Konradine | Conrad/Konrada | Old High German | German | Words: bold / counsel, advice, advisor | |
| Korbinian | Korbinian | Old High German | German | Words: raven / raven | |
| Kordt | Curt | Old High German | German | Words: bold / counsel, advice, advisor | |
| Kraft | Kraft | Old High German | German | Words: strength, power | |
| Kriemhild | Kriemhild | Old High German | German | Words: mask, helmet / fight | |
| Kriemhilde | Kriemhild | Old High German | German | Words: mask, helmet / fight | |
| Krimhild | Kriemhild | Old High German | German | Words: mask, helmet / fight | |
| Krimhilde | Kriemhild | Old High German | German | Words: mask, helmet / fight | |
| Kunegunda | Kunigunde | Old High German | Polish | Words: tribe, clan / fight | |
| Kunibald | Kunibald | Old High German | German | Words: tribe, clan / bold, brave | |
| Kunibert | Kunibert | Old High German | German | Words: tribe, clan / bright | |
| Kunigonde | Kunigunde | Old High German | Dutch | Words: tribe, clan / fight | |
| Kunigunda | Kunigunde | Old High German | German, Slavic | Words: tribe, clan / fight | |
| Kunigunde | Kunigunde | Old High German | German | Words: tribe, clan / fight | |
| Kuniza | Kunigunde | Old High German | German | Words: tribe, clan / fight | |
| Kuno | Kuno | Old High German | German | Words: tribe, clan | |
| Kunz | Conrad/Konrada | Old High German | German | Words: bold / counsel, advice, advisor | |
| Kurt | Curt | Old High German | German | Words: bold / counsel, advice, advisor | |
| Lajos | Ludwig/Louise | Old High German | Hungarian | Words: loud, famous / fight, battle, war | |
| Lambert | Lambert/Lamberta | Old High German | German, French | Words: land, homeland / bright | |
| Lamberta | Lambert/Lamberta | Old High German | German, Dutch | Words: land, homeland / bright | |
| Lamberto | Lambert/Lamberta | Old High German | Italian | Words: land, homeland / bright | |
| Lambrecht | Lambert/Lamberta | Old High German | German | Words: land, homeland / bright | |
| Lampert | Lambert/Lamberta | Old High German | German, French | Words: land, homeland / bright | |
| Lamprecht | Lambert/Lamberta | Old High German | German | Words: land, homeland / bright | |
| Lance | Lando | Old High German | English | Words: land, homeland | #841 |
| Lando | Lando | Old High German | German | Words: land, homeland | |
| Landolf | Landolf | Old High German | German | Words: land, homeland / wolf | |
| Landolfo | Landolf | Old High German | Italian | Words: land, homeland / wolf | |
| Landrich | Landrich/Landriche | Old High German | German | Words: land / rich, powerful, power | |
| Landriche | Landrich/Landriche | Old High German | French | Words: land / rich, powerful, power | |
| Landry | Landrich/Landriche | Old High German | French, English | Words: land / rich, powerful, power | |
| Landry | Landrich/Landriche | Old High German | English | Words: land / rich, powerful, power | |
| Landulf | Landolf | Old High German | German | Words: land, homeland / wolf | |
| Lanfranco | Lanfrank | Old High German | Italian | Words: land, homeland / Frank | |
| Lanfrank | Lanfrank | Old High German | German | Words: land, homeland / Frank | |
| Laoise | Ludwig/Louise | Old High German | Irish | Words: loud, famous / fight, battle, war | |
| Laurin | Laurin | Old High German | German | | |
| Leen | Leonhard/Leonarda | Old High German | Dutch | Words: lion / brave, hardy | |
| Leen | Leonhard/Leonarda | Old High German | Dutch | Words: lion / brave, hardy | |
| Lenard | Leonhard/Leonarda | Old High German | German, English | Words: lion / brave, hardy | |
| Lenart | Leonhard/Leonarda | Old High German | Slovenian | Words: lion / brave, hardy | |
| Lenn | Leonhard/Leonarda | Old High German | Dutch | Words: lion / brave, hardy | |
| Lennard | Leonhard/Leonarda | Old High German | German, Low German, Scandinavian | Words: lion / brave, hardy | |
| Lennart | Leonhard/Leonarda | Old High German | German, Low German, Scandinavian | Words: lion / brave, hardy | |
| Lennert | Leonhard/Leonarda | Old High German | German, Low German | Words: lion / brave, hardy | |
| Lenni | Leonhard/Leonarda | Old High German | Finnish | Words: lion / brave, hardy | |
| Lennie | Leonhard/Leonarda | Old High German | English | Words: lion / brave, hardy | |
| Lenny | Leonhard/Leonarda | Old High German | English | Words: lion / brave, hardy | |
| Leny | Leonhard/Leonarda | Old High German | French | Words: lion / brave, hardy | |
| Leonard | Leonhard/Leonarda | Old High German | English | Words: lion / brave, hardy | #673 |
| Léonard | Leonhard/Leonarda | Old High German | French | Words: lion / brave, hardy | |
| Leonarda | Leonhard/Leonarda | Old High German | English | Words: lion / brave, hardy | |
| Leonardo | Leonhard/Leonarda | Old High German | Italian | Words: lion / brave, hardy | #84 |
| Leonhard | Leonhard/Leonarda | Old High German | German, English | Words: lion / brave, hardy | |
| Leopold | Leopold/Leopoldine | Old High German | German | Words: people / bold, brave | |
| Léopold | Leopold/Leopoldine | Old High German | French | Words: people / bold, brave | |
| Leopoldine | Leopold/Leopoldine | Old High German | German | Words: people / bold, brave | |
| Leopoldo | Leopold/Leopoldine | Old High German | Italian | Words: people / bold, brave | |
| Levin | Liebwin/Livina | Old High German | German, Low German | Words: dear, beloved / friend | |
| Lewis | Ludwig/Louise | Old High German | English | Words: loud, famous / fight, battle, war | #433 |
| Liam | William/Wilhelma | Old High German | Irish | Words: will, desire / helmet, protection | #1 |
| Lidwina | Ludwina | Old High German | German, Dutch | Words: people / friend | |
| Liebgard | Liebgard | Old High German | German | Words: dear, beloved / fence, enclosure, protection | |
| Liebhard | Liebhard | Old High German | German | Words: dear, beloved / brave, hardy | |
| Liebtrud | Liebtrud | Old High German | German | Words: dear, beloved / strength, power | |
| Liebwin | Liebwin/Livina | Old High German | German | Words: dear, beloved / friend | |
| Lien | Karl/Charlotte/Carla | Old High German | Dutch | Words: man, husband | |
| Lienhard | Leonhard/Leonarda | Old High German | German | Words: lion / brave, hardy | |
| Lieven | Liebwin/Livina | Old High German | Dutch | Words: dear, beloved / friend | |
| Linda | Linda | Old High German | German, English | Words: gentle, friendly | #835 |
| Linde | Linde | Old High German | German | Words: gentle, friendly | |
| Linett | Linda | Old High German | Hungarian | Words: gentle, friendly | |
| Linette | Linda | Old High German | English | Words: gentle, friendly | |