The 1st National Assembly of the Philippines (Filipino: Unang Asambleyang Pambansa ng Pilipinas) was the meeting of the legislature of the Commonwealth of the Philippines from November 25, 1935 until August 15, 1938, during the first three years of Manuel L. Quezon's presidency.

The First National Assembly passed a total of 415 laws: Commonwealth Act Nos.

1 to 415.