Susan Cox OAM is an Australian diplomat and is a career officer with the Department of Foreign Affairs and Trade.

Between 1993 and 1998 she worked in areas of the Department of Foreign Affairs and Trade (DFAT) that focused on Pacific policies.

[4] Cox took up an appointment as Australian Ambassador to the Federated States of Micronesia in 2007, formally presenting her credentials to the President in November 2007.

[2] During her tenure, Cox regarded the Pacific patrol boat program, which financially supports the Federated States of Micronesia's maritime surveillance capacity, as the central pillar of the bilateral security relationship.

[5] When reflecting on the role at the end of the posting in 2011, Cox described President Mori signing the Pacific Partnership for Development Agreement with Australia as one of her major achievements.