Namesakes
Fictional Characters from Books:
1 character
Sancho Panza 1605 Don Quixote 
Portuguese Kings and Queens:
2 kings
King Sancho I the Populator 1185-1212
King Sancho II the Pius 1223-1247
Saints:
1 saint
Saint Sanctius (a.k.a. Sancho) ?-851
Spanish Kings and Queens:
5 kings
King Sancho III the Great 1000-1035 Navarre
King Sancho Ramirez 1063-1094 Aragon
King Sancho II the Strong 1065-1072 Castile
King Sancho III the Desired 1157-1158 Castile
King Sancho IV the Brave 1284-1295 Castile
Tolkien's Characters:
1 character
Sancho Proudfoot (m)