← 1983 1982 1981 1984 in Mexico → 1985 1986 1987
Decades:	1960s 1970s 1980s 1990s 2000s
See also:	History of Mexico List of years in Mexico Timeline of Mexican history

Events in the year 1984 in Mexico.

Incumbents

Federal government

• President: Miguel de la Madrid
• Interior Secretary (SEGOB): Manuel Bartlett Díaz
• Secretary of Foreign Affairs (SRE): Bernardo Sepúlveda Amor
• Communications Secretary (SCT): Rodolfo Félix Valdés/Daniel Díaz Díaz
• Education Secretary (SEP): Manuel Bartlett
• Secretary of Defense (SEDENA): Juan Arévalo Gardoqui
• Secretary of Navy: Miguel Ángel Gómez Ortega
• Secretary of Labor and Social Welfare: Arsenio Farell Cubillas
• Secretary of Welfare: Guillermo Carrillo Arena
• Secretary of Public Education: Jesús Reyes Heroles
• Tourism Secretary (SECTUR): Carlos Hank González
• Secretary of the Environment (SEMARNAT): Pedro Ojeda Paullada
• Secretary of Health (SALUD): Guillermo Soberón Acevedo

Supreme Court

• President of the Supreme Court: Jorge Iñárritu y Ramírez de Aguilar

Governors

Events

• The original Law on the National Coat of Arms, Flag and Anthem is passed.
• The Universidad Azteca is founded.
• March 14: Roman Catholic Diocese of Coatzacoalcos established.
• September 17 – 23: Hurricane Odile
• November 3: Roman Catholic Diocese of Atlacomulco established
• November 19: San Juanico disaster

Awards

• Belisario Domínguez Medal of Honor – Salomón González Blanco

Births

• May 17 — Alejandro Edda, actor
• July 5 — Carlos Ferro, actor and music video director
• December 9 — Ociel Baena, LGBT rights activist (d. 2023)
• December 11 — Sandra Echeverría, actress, singer and model

Deaths

• January 7 — Eva Sámano de Lopez, First Lady of Mexico (1958-1964) (b. 1910)

Film

• List of Mexican films of 1984

Sport

• 1983–84 Mexican Primera División season.
• Leones de Yucatán win the Mexican League.
• Mexico at the 1984 Winter Olympics.
• Mexico at the 1984 Summer Olympics.
• Mexico at the 1984 Summer Paralympics.
• The Indios de Ciudad Juárez cease to exist.
• The Pioneros de Cancún are founded.
• The Ángeles de Puebla are founded.