| EQUIVALENTS |
| ENGLISH: Constance |
| FRENCH: Constance |
| GERMAN: Constanze, Konstanze |
| LATE ROMAN: Constantia |
| POLISH: Konstancja |
| PORTUGUESE: Constança, Constância |
| SPANISH: Constanza |
|
| DIMINUTIVES AND SHORT FORMS |
| ENGLISH: Connie |
|
| MASCULINE FORMS |
| LATE ROMAN: Constantius |
|
| OTHER RELATIONS |
| ALBANIAN: Kostandin |
| BULGARIAN: Konstantin, Kosta, Kostadin |
| DUTCH: Constantijn, Stijn |
| ENGLISH: Constant |
| FRENCH: Constant, Constantin |
| GEORGIAN: Konstantine |
| GERMAN: Konstantin |
| GREEK: Gus, Konstantina, Konstantinos |
| HISTORY: Constantine |
| HUNGARIAN: Konstantin |
| ITALIAN: Costantino, Costanzo |
| LATE ROMAN: Constans, Constantina, Constantinus |
| MACEDONIAN: Konstantin, Kostadin |
| POLISH: Konstanty, Konstantyn |
| ROMANIAN: Constantin, Costache, Costel, Costică, Costin, Dinu |
| RUSSIAN: Konstantin, Kostya |
| SERBIAN: Konstantin |
| UKRAINIAN: Kostyantyn |
| WELSH: Cystennin |
|
