1984 in Malaysia

Incumbent political figures

Federal level

• Yang di-Pertuan Agong:
• *Sultan Ahmad Shah
• *Sultan Iskandar
• Raja Permaisuri Agong:
• *Tengku Ampuan Afzan
• *Sultanah Zanariah
• Prime Minister: Dato' Sri Dr Mahathir Mohamad
• Deputy Prime Minister: Dato' Musa Hitam
• Lord President: Azlan Shah then Mohamed Salleh Abas

  State level

• Sultan of Johor: Tunku Ibrahim Ismail
• Sultan of Kedah: Sultan Abdul Halim Muadzam Shah
• Sultan of Kelantan: Sultan Ismail Petra
• Raja of Perlis: Tuanku Syed Putra
• Sultan of Perak:
• *Sultan Idris Shah II
• *Sultan Azlan Shah
• Sultan of Pahang: Tengku Abdullah
• Sultan of Selangor: Sultan Salahuddin Abdul Aziz Shah
• Sultan of Terengganu: Sultan Mahmud Al-Muktafi Billah Shah
• Yang di-Pertuan Besar of Negeri Sembilan: Tuanku Jaafar
• Yang di-Pertua Negeri of Penang: Tun Dr Awang Hassan
• Yang di-Pertua Negeri of Malacca:
• *Tun Syed Zahiruddin bin Syed Hassan
• *Tun Syed Ahmad Al-Haj bin Syed Mahmud Shahabuddin
• Yang di-Pertua Negeri of Sarawak: Tun Abdul Rahman Ya'kub
• Yang di-Pertua Negeri of Sabah: Tun Mohd Adnan Robert

  Events

• 1 January – Hotel Majestic was closed after 52 years of operation. It reopened in 2012.
• 11 January – Dr. Zaini Shaarani, an employee of Kuala Lumpur City Hall became the first Malaysian to scale the Mount Kala Pattar in the Himalayas.
• 12 January – The National Incorporation policy and Agriculture policy were introduced.
• January – The federal government planned to build a transit system between Sentul and Petaling Jaya.
• 31 January – Sultan Idris Shah II of Perak died suddenly after suffering a heart attack in Lumut, Perak. On 3 February, he was replaced by his nephew, Sultan Azlan Shah as the 34th Sultan of Perak.
• 1 February – Official opening of the Bandar Tun Razak by the Prime Minister, Mahathir Mohamad in conjunction with the 10th anniversary of the Federal Territory of Kuala Lumpur.
• February – The Kuala Lumpur International Marathon was held for the first time.
• February – Johore Safari World closed after three years of operation.
• 11 April – Official opening of the new Sabah Museum by the Yang di-Pertuan Agong, Sultan Ahmad Shah of Pahang.
• 16 April – Labuan island became the second Federal Territory after Kuala Lumpur.
• 26 April – Sultan Iskandar of Johor was elected as the eighth Yang di-Pertuan Agong, replacing Sultan Ahmad Shah of Pahang.
• 5 May – Dayabumi, the famous landmark in Kuala Lumpur was opened.
• 17 May – The Edaran Otomobil Nasional Berhad was established.
• 7 June – The name "Saga" was chosen for the first national cars.
• 22 September – Sultan Iskandar of Johor was installed as the eighth Yang di-Pertuan Agong.

  Births

• 29 January – Safee Sali, footballer
• 28 March – Fasha Sandha – Actress
• 30 June – Tunku Ismail Ibrahim – Tunku Mahkota of Johor and officer of the Indian Army
• 4 December – Leong Mun Yee – Diver
• Unknown date – JC Chee – Actor and model

  Deaths

• 31 January – Sultan Idris Shah II of Perak
• Unknown date – Tan Sri Dato' Osman Bin Talib – Former Chief Minister of Melaka