Usko is the given name of the following people:
Usko Kemppi (1907–1994), Finnish composer and author Usko Meriläinen (1930–2004), Finnish composer Usko Nghaamwa, Namibian politician Usko Nyström (1861–1925), Finnish architect Usko Santavuori (1922–2003), Finnish sensationalist radio reporter
See also Estadio Hanz Usko, stadium in Guazapa, El Salvador