Margaret Simwanza Sitta (born 24 July 1946)[1] is a Tanzanian Chama Cha Mapinduzi politician elected as a member of parliament for Urambo, serving from 2015 to 2020.

[3] In 1996, she became Head of Workers Education Department - DSM, hired by Trade Unions Confederation of Tanzania (TUCTA) Institution, where she worked for four years.

From 2008 to 2010, she continued to hold her minister position, but in the Ministry of Community Development, Gender and Children office.

[3] Margaret Simwanza Sitta first took on a political role in 2005 when she became a member of Chama Cha Mapinduzi (CCM) party.

Samuel Sitta died at around 3 am on 7 November 2016 at TUM School of Medicine (Klinikum rechts der Isar) in Munich (Germany) after falling ill for a short period.