Margaret Simwanza Sitta (born 24 July 1946) is a Tanzanian politician belonging to the ruling Chama Cha Mapinduzi party,
She was elected as a member parliament of Urambo for 2015 – 2020 years.
She previously served as Ministry Of Education and Vocational Training as well as Ministry of Community Development, Gender and Children.
Prior to joining politics, she worked as a teacher in government schools.