Namesakes
Austrian Dukes and Emperors:
1 duke
Duke Ladislaus Posthumus 1440-1457 
Bohemian Kings:
2 kings
King Ladislav Posthumous (a.k.a. Ladislaus) 1453-1457
King Vladislav (a.k.a. Ladislaus) 1471-1516
Hungarian Kings and Queens:
6 kings
King László I (a.k.a. Ladislaus) 1077-1095
King László II (a.k.a. Ladislaus) 1162-1163
King László III (a.k.a. Ladislaus) 1204-1205
King László IV (a.k.a. Ladislaus) 1272-1290
King László V the Posthumous (a.k.a. Ladislaus) 1444-1457
King Ulászló II (a.k.a. Ladislaus) 1490-1516
Saints:
2 blessed, 2 saints
Saint Ladislaus I of Hungary 1040-1095
Saint Ladislaus of Hungary ?-1369
Blessed Władysław of Gielniow (a.k.a. Ladislaus) 1440-1505
Blessed László Batthyány-Strattmann (a.k.a. Ladislaus) 1870-1931