Subira Khamis Mgalu (born 17 May 1973) is a Tanzanian politician and member of the ruling Chama Cha Mapinduzi (CCM) who serves as the current Deputy Minister of Energy.

Subira Khamis Mgalu was involved in politics while she was in school starting in 2006.

MS Subira, when she was a member of Chama Cha Mapinduzi was elected to the position of member of Regional Executive Council UWT (Umoja wa Wanawake Tanzania) of Chama cha Mapinduzi for some years.

She was appointed Deputy Minister for Energy in 2017 by the President of the United Republic of Tanzania John Magufuli during the changes he made on 7 October 2017.

[3] She was first appointed in 2010, and then for second term in 2015 to a special seats reserved for Women.