Jan Elizabeth Adams AO PSM (born 1963) is a senior Australian public servant who has served as the Secretary of the Department of Foreign Affairs and Trade since July 2022.

[4] Adams joined the Department of Foreign Affairs and Trade (DFAT) in 1999 as Assistant Secretary of the APEC Branch.

[6] In the latter position she took a leading role for Australia in the ongoing negotiations about the Trade in Services Agreement (TiSA).

[1][2] In that role she headed the policy development that led to the establishment of the significant six-nation Asia-Pacific Partnership on Clean Development and Climate (AP6), a voluntary public-private partnership involving Australia, Canada, India, Japan, the People's Republic of China, South Korea and the United States.

In June 2022, Prime Minister Anthony Albanese appointed Adams as the new Secretary of DFAT, starting from 1 July 2022.