Nkiru Doris "NK" Okosieme (an haife ta a ranar 1 ga watan Maris shekarar 1972) itace tsohon kyaftin din kungiyar kwallon kafa ta mata ta Najeriya (Super Falcons) dan wasan kwallon kafa wanda ta buga wa kungiyar kwallon kafa ta mata ta Najeriya kwallo a dukkan Kofin Duniya na Mata hudu na FIFA (1991, 1995, 1999 da 2003), Gasar Kofin Kasashen Afirka da dama da kuma Wasannin bazara na shekarar 2000 . Ana yi wa Okosieme lakabi da "Shugabar matan makarantar" saboda dabi'arta ta zira kwallaye masu mahimmanci a raga da kai . ta buga wasanni a gida kafin tafiyarta zuwa turai. Okosieme ya jagoranci Najeriya a gasar cin kofin duniya ta mata ta farko FIFA 1991 tun tana saurayi. Ta buga cikakken mintuna 80 a duka rashin nasarar Najeriya uku, yayin da take hade da kungiyar SC Imo State. A gasar Kofin Duniya ta Mata ta FIFA ta shekarar 1999, Okosieme yana buga wa kungiyar kwallon kafa ta Rivers Angels . Kafin gasar ta bayyana cewa: "Ba mu da sauran karancin karfi".