Marilyn Anderson AO is an Australian scientist and entrepreneur in the area of biochemistry and plant molecular biology.

[1] She is a professor at La Trobe University and co-founded Hexima, an agribiotechnology company, in 1998.

[4] In 1995, Anderson moved back to La Trobe University, where she researches defence molecules produced by plants to protect themselves against pests.

In 1998, Anderson and Clarke co-founded a business, Hexima, to develop practical applications of this research.

[3] In the 2016 Australia Day Honours Anderson was made an Officer of the Order of Australia (AO) for "distinguished service to science, and to higher education, particularly to biochemistry and molecular biology, as an academic and researcher, and to professional associations".