| AGOSTINA f Italian |
| AGOSTINHO m Portuguese |
| AGOSTINO m Italian |
| ÁGOSTON m Hungarian |
| AGUSTÍ m Catalan |
| AGUSTÍN m Spanish |
| AGUSTINA f Spanish |
| AKU m Finnish |
| AUGUST m German, Polish, Swedish, Norwegian, Danish, Catalan, English |
| AUGUSTA f German, Italian, Portuguese, Polish, Dutch, English, Ancient Roman |
| AUGUSTAS m Lithuanian |
| AUGUSTE (1) m French |
| AUGUSTE (2) f German |
| AUGUSTIJN m Dutch |
| AUGUSTÍN m Slovak, Czech |
| AUGUSTIN m French, Czech, Romanian, Croatian |
| AUGUSTINA f Ancient Roman |
| AUGUSTINAS m Lithuanian |
| AUGUSTINE (1) m English |
| AUGUSTINE (2) f French, German |
| AUGUSTINUS m Ancient Roman |
| AUGUSTO m Spanish, Italian, Portuguese |
| AUGUSTS m Latvian |
| AUGUSTUS m Ancient Roman, Dutch |
| AUGUSTYN m Polish |
| AUGUSTYNA f Polish |
| AUKUSTI m Finnish |
| AUSTEN m English (Modern) |
| AUSTIN m English |
| AUSTYN m English (Modern) |
| AVGUST m Slovene, Russian, Ukrainian |
| AVGUSTA f Slovene |
| AVGUŠTIN m Slovene |
| AWSTIN m Welsh |
| GUS (1) m English, Scottish |
| GUSSIE f English |
| GUSTA f Dutch |
| GUUS m Dutch |
| KUSTI m Finnish |
| STIJN m Dutch |
| TIJN m Dutch |
| TIN m Croatian |
