Sera Leon (Jàdakuru, Siyera Lewɔni, Saralon, Sàrlon), madɔnnen Sera Leon ka Fasojamana, ye jamana ye Tlebi Afrika. A bɛ danbɔ ni Gine ye sahelikɔrɔn fɛ, Liberia worodugukɔrɔn ani Atlantik Kɔgɔji worodugutlebi. Sera Leon bɛ datugunikɛ 71740 kɛnɛjɛ bamɛtri la a jamanadenw bisigiyalen mɔgɔ 7 075 641 kabɔ juyekalo san 2015. Jamana in ye tudugu fiɲɛ ye, lamunu soginen don, wulakɔnɔla ani tufinw. A faaba ye Freetown, fanga sigiyɔrɔ ani jamana duguw labonba. Jamana duguba dɔwɛrɛ min dugudenw bɛ se 100000 ma ye: Bo, Kenema, Koidu Town, ani Makeni.