南洋马蹄花（学名：Tabernaemontana pandacaqui ；达悟语：Kavovoyaw），又名山马茶、南洋山马茶，为夹竹桃科马蹄花属下的一个种。

Tabernaemontana pandacaqui grows as a shrub or tree up to 14 metres (46 ft) tall. Its flowers feature white or pale yellow corolla lobes. Fruit is orange, red or yellow with paired follicles, each up to 7 centimetres (2.8 in) in diameter. The plant is found in a wide variety of habitats, particularly in drier areas. T. pandacaqui is native to China, ******, Thailand, Malaysia, Indonesia, the Philippines, Papua New Guinea, Australia. It is also reportedly naturalized in the Lesser Antilles, French Guiana and Panama. Common names include windmill bush and banana bush.