Sida
- Sida is a Swedish governmental agency responsible for the bulk of Sweden's aid to Third World countries.
- SIDA is also an acronym for the disease AIDS in various languages, including French (Syndrome d’Immuno Déficience Acquise) and Spanish (Síndrome de Inmunodeficiencia Adquirida).
- Sida is a genus in the flowering plant family, Malvaceae.
