Amber Leann Portwood is an American reality television personality and convicted criminal. From Anderson, Indiana, she is known for being cast in the reality television series 16 and Pregnant in 2009, which documented the pregnancies and first months of motherhood for several teenage girls. Portwood received particular public attention in 2010 where an episode documented Portwood's domestic violence against her partner, Gary Shirley, with Portwood eventually imprisoned for this and other crimes. She also went on to abuse her third partner Andrew Glennon.

Portwood was also cast in the spin-off series Teen Mom, and appeared in each of its four seasons until its conclusion in 2012. In March 2015, Portwood, along with Maci McKinney, Catelynn Baltierra, and Farrah Abraham, returned to MTV for the fifth season of the show, renamed Teen Mom OG.