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- Marcela Guerra, a Mexican politician
- Marcela Guerra Castillo
- Marcelino Guerra, "Rapindey" (ca. 1914 - 1996), a Cuban singer/songwriter
- María Inés (Guerra Núñez)
- Martín (Alejandro) Machón (Guerra)
- Fermin (Romero) "Mike" Guerra
- Miguel Guerra
- Miguel Ángel Guerra, an Argentinian Formula One driver
- Miguel Ángel Cascallana (Guerra)
- Milton Noel Guerra
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