Johanna Wilhelmina Cilliers (an haife ta a shekara ta 1950), wacce aka sani da Jana Cilliers, 'yar wasan kwaikwayo ce ta Afirka ta Kudu. Ita ce ta sami lambar yabo da yawa, ciki har da kyaututtukan fina-finai da talabijin na Afirka ta Kudu guda biyu da lambar yabo ta Fleur du Cap Theater Award.[1][2]
'Yar asalin Pretoria ce, Cilliers 'yar mai zanen Abstract Bettie Cilliers-Barnard da Carel Hancke Cilliers. Ta halarci Hoërskool Menlopark. Ta yi karatun digiri na farko a Jami'ar Pretoria kafin ta ci gaba da horarwa a Royal Academy of Dramatic Art (RADA) a Landan, inda ta kammala difloma ta aiki a shekarar 1973.[3]
Cilliers ta auri darektan fina-finai kuma marubucin rubutu Regardt van den Bergh a cikin shekarar 1980s, wanda ta haifi 'ya'ya mata biyu: Lika Berning da Leán. Bayan mutuwar Cilliers da van den Bergh, Cilliers ya auri Bill Flynn, wanda ya mutu a shekarar 2007.[4]