| FULL FORMS |
| ENGLISH: Carla, Carlene, Charla, Karlene, Sharla |
|
| EQUIVALENTS |
| AFRIKAANS: Charlize |
| ANCIENT GERMANIC: Carolina |
| CATALAN: Carla |
| CROATIAN: Karla, Karolina |
| CZECH: Karolína |
| DANISH: Caroline, Charlotte, Karla, Karolina, Karoline |
| DUTCH: Carla, Carola, Carolien, Caroline, Charlotte |
| ENGLISH: Carley, Carlie, Carly, Carlyn, Carolina, Caroline, Carolyn, Charleen, Charlene, Charlotte, Karlee, Karly, Karolyn, Sharleen |
| FINNISH: Karoliina |
| FRENCH: Carole, Caroline, Charline, Charlotte |
| GERMAN: Carla, Carola, Carolin, Caroline, Charlotte, Karla, Karola, Karolina, Karoline |
| HUNGARIAN: Karola, Karolina |
| IRISH: Séarlait |
| ITALIAN: Carla, Carlotta, Carola, Carolina |
| LITHUANIAN: Karolina |
| MACEDONIAN: Karolina |
| NORWEGIAN: Caroline, Charlotte, Karla, Karolina, Karoline |
| POLISH: Karolina |
| PORTUGUESE: Carla, Carlota, Carolina |
| SLOVENE: Karolina |
| SPANISH: Carla, Carlota, Carolina |
| SWEDISH: Carola, Carolina, Caroline, Charlotta, Charlotte, Karla, Karolina |
|
| DIMINUTIVES AND SHORT FORMS |
| CZECH: Kája |
| DANISH: Ina, Lina, Line, Lotte |
| DUTCH: Lien, Lotte |
| ENGLISH: Calleigh, Callie, Cari, Carol, Carrie, Carry, Caryl, Ina, Kallie, Karrie, Lina, Lottie, Tottie, Totty |
| FINNISH: Iina, Liina, Lotta |
| FRENCH: Line |
| GERMAN: Ina, Lotte |
| HUNGARIAN: Lili |
| ITALIAN: Lina |
| LITHUANIAN: Lina |
| NORWEGIAN: Ina, Lina, Line, Lotte |
| SPANISH: Lina |
| SWEDISH: Ina, Lina, Lotta, Lotte, Lottie |
|
| MASCULINE FORMS |
| ANCIENT GERMANIC: Carolus, Karl |
| CATALAN: Carles |
| CORSICAN: Carlu |
| CROATIAN: Karlo |
| CZECH: Karel |
| DANISH: Carl, Karl |
| DUTCH: Karel |
| ENGLISH: Carl, Carol, Charles, Charley, Charlie, Chas, Chaz, Chip, Chuck, Karl |
| FINNISH: Kaarle, Kaarlo, Kalle, Karl |
| FRENCH: Charles, Charlot |
| GERMAN: Carl, Karl |
| GREEK: Karolos |
| HAWAIIAN: Kale |
| HUNGARIAN: Karcsi, Károly |
| IRISH: Séarlas |
| ITALIAN: Carlo |
| LIMBURGISH: Sjarel |
| LITHUANIAN: Karolis |
| NORWEGIAN: Carl, Karl |
| POLISH: Karol |
| PORTUGUESE: Carlinhos, Carlito, Carlitos, Carlos |
| ROMANIAN: Carol |
| SLOVAK: Karol |
| SLOVENE: Karel, Karol |
| SPANISH: Carlito, Carlitos, Carlos |
| SWEDISH: Carl, Kalle, Karl |
| WELSH: Siarl |
|
| OTHER FORMS |
| HISTORY: Charlemagne |
|
