Events in the year 1847 in Mexico.

• President:
  • until March 21: Valentín Gómez Farías
  • March 21 – April 2: Antonio López de Santa Anna
  • April 2 – May 20: Pedro María de Anaya
  • May 20 – September 15: Antonio López de Santa Anna
  • September 16 – November 13: Manuel de la Peña y Peña
  • starting November 13: Pedro María de Anaya

• Aguascalientes: Felipe Cosio
• Chiapas: Jerónimo Cardona
• Chihuahua:
• Coahuila: José María de Aguirre González/N/A
• Durango:
• Guanajuato:
• Guerrero:
• Jalisco: Joaquín Angulo/Sabás Sánchez Hidalgo
• State of Mexico:
• Michoacán:
• Nuevo León: José María Parás
• Oaxaca: Benito Juárez
• Puebla:
• Querétaro: Francisco Berdusco/Francisco de Paula Mesa
• San Luis Potosí:
• Sinaloa:
• Sonora:
• Tabasco:
• Tamaulipas: Francisco Vital Fernandez
• Veracruz: Manuel Gutiérrez Zamora/José de Emparán/Manuel Gutiérrez Zamora
• Yucatán: Miguel Barbachano/Santiago Méndez
• Zacatecas:

• January 13 – The Treaty of Cahuenga ends the fighting in the Mexican–American War in California.
• February 22 – Mexican–American War – Battle of Buena Vista: 5,000 American troops under General Zachary Taylor use their superiority in artillery to drive off 15,000 Mexican troops under Antonio López de Santa Anna, defeating the Mexicans the next day.
• March 9 – Mexican–American War: United States forces under General Winfield Scott invade Mexico near Veracruz.
• March 29 – Mexican–American War: United States forces led by General Winfield Scott take Veracruz after a siege.
• April 18 – Mexican–American War – Battle of Cerro Gordo: U.S. troops of General Winfield Scott begin to advance along the aqueduct around Lake Chalco and Lake Xochimilco in Mexico
• August 20 – Mexican–American War: US troops defeat Mexican troops in Valencia de Fuentes, Mexico
• September 8 – Battle of Molino Del Rey