Globally, Станислао (Stanislao 
, Станислао) is quite a rare male first name. The forename Станислао is habitual in Italy, where it is quite a rare male name, Poland, where it is a rare male name, and Bolivia. Measured by absolute frequency, it is commonest in Italy, Poland, and Brazil. Very seldom, Станислао is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Stanislao | Italy, Philippines, United States, Poland, Brazil |
Estanislao, Estanislau, Stanislas, Stanislaus, Stanislav, Stanislaw, Stanislovas, Stanisław, Stanko, Stanyslao, Станислав, Станислас, Станислаус, Станисловас, Станка, Станко, Станіслав, Станіславас, Станіслаў, Стас, Стасик, Стасян, Эстанислао, and スタニスワフ