Al-Yamamah (Arabic: اليمامة, romanized: al-Yamāmah) tsohuwar yanki ce ta tarihi da ke gabashin tsaunin Najd a cikin Saudi Arabiya ta zamani, ko kuma wani lokacin mafi takamaiman, ƙauyen Jaww Al-Yamamah da ya ɓace a yanzu, kusa da Al-Kharj, wanda aka sanya wa sauran yankin suna. Kadan daga cikin jihohin da ke da iko sun tashi a Yamamah, amma ya yi fice a farkon tarihin Islama saboda ya zama babban filin wasan kwaikwayo a cikin Ridda Wars nan da nan bayan mutuwar Muhammad. An rarraba yankin a hankali a cikin ƙarni na baya-bayan nan a ƙarƙashin kalmar "Najd", wanda ya ƙunshi yanki mafi girma. Koyaya, kalmar "Al-Yamamah" har yanzu tana rayuwa a matsayin kalmar tarihi mai ban sha'awa wacce ke jaddada alaƙar ta da tsohuwar yankin.
Gabas da tsaunin Najd a Saudi Arabiya ta zamani