Mattias Klum (born 10 February 1968 in Uppsala) is a Swedish freelance photographer and film producer in natural history and cultural subjects.

Klum describes and portrays animals, plants, and natural and cultural settings in the form of articles, books, films, lectures and exhibitions.

[4] Klum's photographs have been exhibited in one-man shows at reputable museums and art galleries in the US, Sweden, Malaysia, India, Japan, Great Britain, Estonia, Denmark, Botswana, Spain, China and Singapore among other countries.

The book, The Human Quest: Prospering Within Planetary Boundaries,[7] is co-authored by scientist and global sustainability expert Johan Rockström with a foreword by former President Bill Clinton.

In 2013 Klum has also been awarded an Honorary Doctorate degree in Natural Science by Stockholm University[9] and named WWF, the World Wildlife Fund ambassador.