Mapa de l'Estret de Singapur.L'Estret de Singapur vist des de Marina Bay Sands.
L'Estret de Singapur, en anglès:Singapore Strait ((xinès); Malai: Selat Singapura) és un estret de 114 km de llargada i 16 km d'amplada entre l'Estret de Malaca a l'oest i la Mar de la Xina Meridional a l'est. Singapur és al nord del canal i l'arxipèlag Riau es troba al sud. La frontera amb Indonèsia es troba junt a la llargada de l'estret.
Inclous Port Keppel i moltes petites illes. L'estret és un passatge ambaigües profundes cap el Port de Singapur. Aproximadament 2.000 vaixells mercants travessen cada dia aquest estret.[1]
Durant la Segona Guerra Mundial l'estret va ser minat.[2]
Borschberg, Peter, "Singapura in Early Modern Cartography: A Sea of Challenges", in Visualising Space. Maps of Singapore and the Region. Collections from the National Library and National Archives of Singapore (Singapore: NLB, 2015): 6-33. https://www.academia.edu/8681191
Borschberg, Peter, The Singapore and Melaka Straits. Violence, Security and Diplomacy in the 17th Century, Singapore and Leiden: NUS Press and KITLV Press, 2010. https://www.academia.edu/4302722
Borschberg, Peter, Jacques de Coutre's Singapore and Johor, 1595-c1625, Singapore: NUS Press, 2015. https://www.academia.edu/9672124
Borschberg, Peter, “The Singapore Straits in the Latter Middle Ages and Early Modern Period (c.13th to 17th Centuries). Facts, Fancy and Historiographical Challenges”, Journal of Asian History, 46.2 (2012): 193-224. https://www.academia.edu/4285020
Borschberg, Peter, “The Straits of Singapore: Continuity, Change and Confusion”, in Sketching the Straits. A Compilation of the Lecture Series on the Charles Dyce Collection, ed. Irene Lim (Singapore: NUS Museums, 2004): 33-47. https://www.academia.edu/4311413
Borschberg, Peter, "Singapore in the Cycles of the Longue Duree", Journal of the Malaysian Branch of the Royal Asiatic Society, 90 (1) (2017), pp. 32-60. https://muse.jhu.edu/article/663863/summary
Gibson-Hill, Carl-Alexander, "Singapore: Note on the History of the Old Straits, 1580–1850", Journal of the Malayan Branch of the Royal Asiatic Society, 27.1 (1954): 165-214.