Jeri Lynn Ryan (born February 22, 1968) is an American actress, best known for her roles as the liberated ("de-assimilated") Borg Seven of Nine in the series Star Trek: Voyager (1997–2001) and Veronica "Ronnie" Cooke in the series Boston Public (2001–04).

She was a regular cast member of the science fiction series Dark Skies (1997) and the legal drama Shark (2006–08). From 2011 to 2013 she played Dr. Kate Murphy in the ABC drama series Body of Proof, and in 2009 she appeared in a guest role as Tara Cole in the series Leverage.

Ryan was born Jeri Lynn Zimmermann in Munich, West Germany, to Gerhard Florian "Jerry" Zimmermann. She has an older brother, Mark. As a "military brat," Ryan grew up on army bases in Kansas, Maryland, Hawaii, Georgia, and Texas. When she was eleven, her father retired from the army, and the family settled in Paducah, Kentucky. She graduated from Lone Oak High School in 1986 (as a National Merit Scholar), and then attended Northwestern University, where she was a member of the Alpha Phi sorority.

In 1989, Ryan was selected as Miss Illinois. She placed third in the Miss America 1990 pageant, winning the preliminary swimsuit competition. In 1990, she graduated from Northwestern University with a Bachelor of Arts degree in theater arts.