| SAO | a city in southeastern Brazil |
|---|---|
| SAO | an industrial city in southeastern Brazil across the bay from Rio de Janeiro |
| SAO | a city in southeastern Brazil that is a residential suburb of Rio de Janeiro |
| SAO | a city in southeastern Brazil east northeast of Sao Paulo |
| SAO | a city on an offshore island in northeast Brazil |
| SAO | an ultramodern port city in southeastern Brazil |
| SAO | island nation in the South Atlantic off the West coast of Africa |
| SAO | monetary unit on Sao Tome e Principe |
| SAO | largest of the Cape Verde Islands in the Atlantic Ocean |
| SAO | capital of Sao Tome and Principe |
| SAO | island nation in the South Atlantic off the West coast of Africa |
| SAO | island nation in the South Atlantic off the West coast of Africa |