See also: 2004 in Singapore | Other events of 2005 | 2006 in Singapore | List of years in Singapore

Events

• January 15 - Singapore and Malaysia settle dispute over land reclamation work.
• January 16 - Singapore national football team wins the 2004 Tiger Cup.
• April 18 - Singapore government approves plan to legalise casino gambling and build two Integrated Resorts.
• July 8 - In the aftermath of the 7 July 2005 London bombings, Transport Minister Yeo Cheow Tong announces plan to set up a new Police MRT Unit to enhance the security of Singapore's public transport.

Sports

• 2-9 July - The 117th IOC Session was held in Singapore, the biggest international sporting event to come to Singapore to date.
• 3 July - Badminton: Taufik Hidayat of Indonesia beat Chen Hong of the People's Republic of China (15-9, 15-3) to win the men's singles event in the Aviva Open Singapore 2005.

Deaths

• May 2 - Wee Kim Wee, former president of Singapore
• December 7 - Devan Nair, former president of Singapore

2005 Malaysian and Singaporean events by month

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