Margaret Elaine di Menna ONZM (8 July 1923 – 24 March 2014) was a New Zealand microbiologist.
In 1954 she became the first woman to gain a Doctor of Philosophy degree from a New Zealand university.
Her doctoral thesis at the University of Otago was entitled Yeasts of the human body, their nature and relationship.
[2] In 1990, di Menna was awarded the New Zealand 1990 Commemoration Medal,[3] and in the 1997 New Year Honours, she was appointed an Officer of the New Zealand Order of Merit, for services to microbiology.
[4] In 2011, the reading room at Abbey College at the University of Otago was named in her honour.