Senior Minister of Singapore

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Senior Minister of the Republic of Singapore
Incumbent Teo Chee Hean since 1 May 2019 Lee Hsien Loong since 15 May 2024
Prime Minister's Office
Style	Senior Minister (informal) The Honourable (formal) His Excellency (diplomatic)
Abbreviation	SM
Appointer	Prime Minister of Singapore
Term length	At the Prime Minister's pleasure
Formation	2 January 1985; 39 years ago (1985-01-02)
Website	www.pmo.gov.sg

Senior Minister of Singapore is a position in the Cabinet of Singapore. Holders of this office have previously served as either the prime minister or the deputy prime minister. Among the executive branch officeholders in the order of precedence, the position ranks after the prime minister and the deputy prime minister. Senior Ministers also serve as part of the Prime Minister's Office (PMO) and work at the Istana.