See also: 2002 in Singapore | Other events of 2003 | 2004 in Singapore | List of years in Singapore

Events

• April - SARS virus outbreak in Singapore and other parts of Asia.
• 6 May - Singapore and United States sign the United States-Singapore Free Trade Agreement (USS-FTA).
• 20 June - The North East MRT Line opens.
• 24 July - Singapore and Malaysia jointly submitted to the International Court of Justice (ICJ) a dispute concerning sovereignty over Pedra Branca (Pulau Batu Puteh, Middle Rocks and South Ledge.
• 29 October - A major research center Biopolis opens.
• 13 December - 10 year old Megan Zheng became the first Singaporean actress to win the Taipei Film Festival Golden Horse Award for Best New Performer (co-recipient) with her role in Jack Neo's movie Homerun.
• June- Chew Choon Seng becomes the CEO of world renowned airline, Singapore Airlines.

Sports

Deaths

2003 Malaysian and Singaporean events by month

January | February | March | April | May | June | July | August | September | October | November | December