Is Brazil the only non Spanish speaking country?

No, Brazil is not the only non-Spanish speaking country in South America. Here are some others:

* Guyana: English

* Suriname: Dutch

* French Guiana: French

Additionally, while the majority of South America speaks Spanish, there are other languages spoken in smaller pockets, such as:

* Quechua and Aymara: Indigenous languages spoken primarily in the Andes region.

* Portuguese: Spoken in Brazil.

* English: Spoken in Guyana, Suriname, and Belize.

* French: Spoken in French Guiana.

* Dutch: Spoken in Suriname.

So, while Brazil is the largest country in South America with a language other than Spanish, it's not the only one.