Mariam Usman (an haife ta 9 ga watan Nuwamba, shekara alif 1990), ita ce mai ɗaukar nauyi a Najeriya.Ta yi gasar ne a ajin +75 na mata,inda ta zama zakara sau hudu a Afirka kuma ta ci lambar zinare a wasannin Commonwealth.Ta kuma lashe lambar tagulla a Gasar Cin Kofin Duniya ta Duniya a shekarar 2011 kuma ta shiga gasar sau uku na wasannin Olympic,inda ta ci tagulla a 2008. An haifi Usman ne a garin Kaduna, a Najeriya kuma ta dauki nauyi ne a matsayin wata hanya ta yakar cin zarafin da ta samu daga yara maza. Wasannin All-Africa a 2007 a Algiers,Algeria kuma sun kare na 9 a Gasar Cin Kofin Duniya a Chiang Mai,Thailand.Daga nan sai ta tsallake zuwa gasar Olympics ta bazara a shekarar 2008 a Beijing, China ta hanyar lashe ajin +75 a gasar zakarun daga nauyi na Afirka na 2008 a Strand,Afirka ta Kudu. A wasannin Beijing Usman ta fafata a rukuni na +75 kuma ta kammala na biyar,amma an daga shi zuwa lambar tagulla bayan wadanda suka ci azurfa da tagulla daga wannan taron,Olha Korobka da Mariya Grabovetskaya,an dakatar da su a watan Agusta 2016 bayan sun gwada tabbatacce na dehydrochlormethyltestosterone.