Stanislav or Stanislaus (Latinized form) is a given name of Slavic origin, meaning someone who achieves glory or fame.

The name has spread to many non-Slavic languages as well, such as French (Stanislas), German, and others.

In Polish, the name Stanisław has the following common diminutives: Stach, Stan, Stańko, Staś, Stasio, Stasiek, Staszek.

By 15th century the following diminutives were recorded: Stachnię, Stachnik, Stachno, Stachosz, Stachura, Stacher, Stachyr, Stachyra, Stasz, Staszak, Staszeczko, Staszek, Staszel, Stasiu.

Станіслаў / Stanisłaŭ (Belarusian), Stanislav (Croatian, Czech, Romanian, Serbian, Slovak and Slovene), Станіслав (Ukrainian), Станислав (Bulgarian, Russian, Serbian, Macedonian), Stanislas (French), Stanislaus (German, Latin), Stanislovas (Lithuanian), Staņislavs (Latvian), Stanislao (Italian), Estanislau (Portuguese), Ainéislis (Irish/Gaelic), Estanislao (Spanish) and Szaniszló (Hungarian).