Jihadin Islama a Masar (EIJ), asalin sunansa al-Jihad, ƙungiya ce ta ƴan ta'adda a Masar bisa tushen wuce gona da iri na fassarar Islama . Tana aiki tun a ƙarshen shekarun 1970. Tana ƙarƙashin takunkumin duniya da Majalisar Dinkin Duniya a matsayin ƙungiyar da ke da alaƙa da al-Qaeda . Hakanan gwamnatoci da yawa a duniya sun dakatar da shi, gami da na Tarayyar Rasha . Tun 1991 ta ke jagorancin Ayman al-Zawahiri, wanda yanzu shi ne shugaban kungiyar al-Qaeda. A cewar Zawahiri, EIJ "ya banbanta da kungiyar Takfir wal Hijra saboda ba ma daukar mutane kafirai saboda zunubansu. Kuma mun sha bamban da kungiyar ‘Yan Uwa Musulmi saboda wani lokacin ba sa adawa da gwamnati”. Babban burin ƙungiyar shine asalin kifar da gwamnatin Masar tare da maye gurbinta da ƙasar musulinci bisa tsarin da take tunanin yakamata musulinci ya kasance. Daga baya ta faɗaɗa manufofinta waɗanda suka haɗa da kai wa Amurka da Isra'ila hari, da sauran muradun Misira da ƙasashen waje. Jihadin Islama ne ke da alhakin kisan Anwar Sadat a 1981. Yarjejeniyar Sadat da Sinai da Isra’ila, wacce ta amince da mulkin yahudawa, ya ba su haushi sosai.