The Stella Maris Mtwara University College (STEMMUCO) is a constituent college of St. Augustine University of Tanzania in Mtwara, Tanzania.

SAUT found it important to establish the centre which was later upgraded into a College in April 2012.

The College offers various awards in categories of Certificates, Diplomas, Undergraduate Degrees, and Postgraduate (Graduate) Degree Programs.

Also the College runs the Directorate of Postgraduate Studies which offers the Master of Arts in Educational Management and Planning (MEMP) and Master of Business Administration (MBA).

Moreover, the College runs the Centre for Energy Development and Management Studies.