A
- Aaron Guerra, a guitarist
- Abel Guerra Garza, a Mexican politician
- Alejandra de la Guerra
- Alejandro Guerra
- Alberto Begné Guerra
- Alfonso Guerra (González), a politician from Spain
- Ana Clara Guerra Marques
- Andrea Guerra (footballer) (born 1972), former Italian footballer
- Andrea Guerra (composer), Italian film score composer
- Antonio Barroso y Sánchez-Guerra
- Aumi Guerra
- Aureliano Fernández-Guerra y Orbe
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