Khatijah Sidek (an haife ta a shekara ta1918-ta muty a shekara ta 1982) Khadijah Mohd Sidik 'yar Malay ce, 'year ƙasa kuma 'yar siyasa a lokacin mulkin mallaka na Malaya kuma zaɓaɓɓen shugaban Kaum Ibu (a zahiri yana nufin "ƙungiyar uwa"; daga baya aka canza sunan ɓangaren zuwa Wanita UMNO ) a shekara ta 1954. Ta kasance jigo a tarihin farko na Hadaddiyar kungiyar Malay ta Kasa (UMNO) kuma mai rajin kare hakkin mata da ilimantar da yara mata. Khatijah an haife ta a cikin Pariaman, West Sumatra, kasar Indonesia zuwa Minangkabau iyali, san su da matrilineal al'adunmu tsarin. Ta sami karatunta a wata makarantar Dutch da ke Sumatra kafin ta koma Singapore a shekara ta 1946 kuma jim kaɗan bayan ta auri wani ɗan ƙasar Malayan. Kafin ya zo Malaya, Khatijah tana aiki a cikin Puteri Kesatria, kungiyar mata masu adawa da mulkin mallaka da ke Bukit Tinggi, Sumatra. A cikin shekara ta 1953, ta shiga reshen UMNO a Johor Bahru bayan gayyatar da aka yi mata don yin nazarin halin matan Malay a ƙarƙashin mulkin Burtaniya.