Undan Island Lighthouse is a lighthouse on the summit of the uninhabited islet of Undan Island, located 25 kilometres (16 mi) off the coast of mainland Malacca in Malaysia.

[1][2] The lighthouse was engineered and constructed by the Chance Brothers and Company from Birmingham in 1879 and completed in 1880, as a beacon for ships travelling along the Strait of Malacca.

[1] It is octagonal and cylindrical in shape, housing the lantern and a gallery and is adjoined to a single storey keeper's house; both structures were constructed of masonry.

[1][2][3] A more recent concrete communications tower, roughly three times the height of the original lighthouse, is cylindrical and stark in design, and situated directly beside the lighthouse.

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