1957 in the Philippines

• President:
  • Ramon Magsaysay (Nacionalista Party) (until March 17)
  • Carlos P. Garcia (Nacionalista Party) (starting March 17)
• Vice President:
  • Carlos P. Garcia (Nacionalista Party) (until March 18)
  • Diosdado Macapagal (Liberal) (starting December 30)
• Chief Justice: Ricardo Paras
• Congress: 3rd (until December 10)

• March 17 – President Magsaysay dies in a plane crash. Vice President Carlos P. Garcia assumes the presidency.

• June 12 – Silay becomes a city in the province of Negros Occidental through Republic Act 1621.^[1]
• June 20 - The Anti-Subversion Act is signed into law outlawing the Communist Party of the Philippines, its military arm commonly known as the Hukbalahap, as well as potential succeeding organizations.^[2]

• July 10 – The Philippine Army establishes its headquarters located at the Fort Andres Bonifacio in Taguig, Rizal, under the leadership of Brigadier General Leoncio S. Tan.^[3]

• November 14 – Carlos P. Garcia is elected president in the presidential elections.

As per Act No. 2711 section 29,^[4] issued on March 10, 1917, any legal holiday of fixed date falls on Sunday, the next succeeding day shall be observed as legal holiday. Sundays are also considered legal religious holidays. Bonifacio Day was added through Philippine Legislature Act No. 2946. It was signed by then-Governor General Francis Burton Harrison in 1921.^[5] On October 28, 1931, the Act No. 3827 was approved declaring the last Sunday of August as National Heroes Day.^[6]

• January 1 – New Year's Day
• February 22 – Legal Holiday
• April 18 – Maundy Thursday
• April 19 – Good Friday
• May 1 – Labor Day
• July 4 – Philippine Republic Day
• August 13 – Legal Holiday
• August 25 – National Heroes Day
• November 28 – Thanksgiving Day
• November 30 – Bonifacio Day
• December 25 – Christmas Day
• December 30 – Rizal Day