Boyoma FallsChutes de BoyomaBoyomawatervallenMaporomoko ya Maji ya Boyoma

Boyoma Falls (, , ), formerly known as Stanley Falls (French: Chutes Stanley; Dutch: Stanleywatervallen), is a series of seven cataracts, each no more than high, extending over more than along a curve of the Lualaba River between the river port towns of Ubundu and Kisangani (also known as Boyoma) in the Orientale Province of the Democratic Republic of the Congo. The seven cataracts have a total drop of . They form the largest waterfall by volume of annual flow rate in the world, exceeding both the Niagara Falls and the Iguazu Falls.