2021 South American Swimming Championships

The 45th South American Swimming Championships were held from 16 to 19 March at the Parque Olímpico de la Juventud in Buenos Aires, Argentina.

Participating countries
• 🇦🇷

• 🇧🇴

• 🇧🇷

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• 🇨🇴

• 🇪🇨

• *

• *

• 🇬🇾

• *

• *

• 🇲🇽*

• 🇵🇦*

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• 🇵🇪

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• 🇸🇷

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• 🇻🇪 * Invitated countries