Mimmi Lofwenius (born 16 February 1994) is a Swedish football midfielder, currently playing for LSK Kvinner in the Toppserien.
She won the 2012 UEFA Women's Under-19 Championship in Turkey with Sweden U19 national team.,
In 2009 Lofwenius collapsed during a match and was diagnosed with cardiac dysrhythmia. Although doctors advised her to quit football, she carried on and signed for Dalsjofors GoIF in 2010. After impressing in the 2011 Damallsvenskan season Lofwenius joined Kopparbergs/Goteborg FC ahead of 2012. She left part way through the season, for Jitex BK, hoping to get more playing time.