Lynsey Addario (born 1973 Norwalk, Connecticut) is an American photojournalist currently based in London. Her work often focuses on conflicts and human rights issues, especially the role of women in traditional societies.

She graduated from Staples High School, in 1991. She graduated from the University of Wisconsin, Madison, with a B.A. in International Relations and Italian in 1995. She began photographing professionally in 1996. After spending time in Argentina at the Buenos Aires Herald, she began freelancing for the Associated Press, with Cuba as a focus. In 2000, she photographed in Afghanistan under Taliban control. She has since covered conflicts in Afghanistan, Iraq, Darfur, the Congo, and Haiti. She has covered stories throughout the Middle East and Africa. She has visited Darfur or neighboring Chad at least once a month from August 2004.

She has photographed for The New York Times,The New York Times Magazine, Time, Newsweek, and National Geographic.

In Pakistan on May 9, 2009, Addario was involved in an automobile accident while returning to Islamabad from an assignment at a refugee camp. Her collar bone (clavicle) was broken, another journalist was injured, and the driver was killed.