| ISA | Queen of Castile whose marriage to Ferdinand V of Castile marked the beginning of the modern state of Spain |
|---|---|
| ISA | United States dancer and pioneer of modern dance (1878-1927) |
| ISA | (Old Testament) the first of the major Hebrew prophets (8th century BC) |
| ISA | United States sculptor (born in 1904) |
| ISA | a line drawn on a map connecting points having the same numerical value of some variable |
| ISA | Old World genus of annual to perennial herbs: woad |
| ISA | European biennial formerly grown for the blue coloring matter yielded by its leaves |