La baie de Maputo (Baía de Maputo en portugais), anciennement baie de Delagoa, Baía da Lagoa ou Baía do Espírito Santo est un grau de l'océan Indien sur la côte du Mozambique. Le nom de Delagoa lui vient du fait qu'elle était la première escale maritime en provenance de Goa (Inde).
Sir E. Hertslet, The Map of Africa by Treaty, iii. 991-998 (Londres, 1909)- an account of the Delagoa Bay arbitration proceedings
the British blue-book, Delagoa Bay, Correspondence respecting the Claims of Her Majestys Government (Londres, 1875)
L. van Deventer, La Hollande et la baie Delagoa (La Haye, 1883)
G. McC. Theal, The Portuguese in South Africa (London, 1896), and History of South Africa since September 179,f, vol. v. (Londres, 1908). The Narrative of Voyages to explore the shores of Africa, performed under direction of Captain W. F. W. Owen, RN. (Londres, 1833) contains much interesting information concerning the district in the early part of the 19th century.