Namesakes
Hungarian Presidents and Prime Ministers:
1 prime minister
Prime Minister Béla Wenckheim (a.k.a. Xavér) 1875 
Olympic Medalists:
1 bronze/silver
(bronze/silver) Xaver Kurmann 1968; 1972 cycling - track
Saints:
1 blessed
Blessed Francis Xavier Seelos (a.k.a. Xaver) 1819-1867