Susan Misner (born February 8, 1971) is an American dancer, television and film actress. Misner portrayed the doomed Grace Davidson on the ABC soap opera "One Life to Live" from March 12, 1999 to November 17, 1999. In 2002, Misner appeared in the film "Chicago", performing the renowned "Cell Block Tango" as Liz, 'Pop' with Catherine Zeta-Jones, Denise Faye, Deidre Goodwin, Ekaterina Chtchelkanova and Mýa Harrison.

Misner has guest-starred on many TV series, including three of the series in the Law & Order franchise — Law & Order: Criminal Intent (2001/2005), Law & Order: Special Victims Unit (2002) and Law & Order (2006) — as well as both CSI: Crime Scene Investigation (2002) and CSI: Miami (2004). Misner appeared as Theresa on Rescue Me in 2006 and 2007, and later as Gretchen Martin in the 2007 miniseries The Bronx Is Burning. She appeared in two episodes of the hit CBS procedural Without a Trace during the 2004-2005 television season. She portrayed Alison Humphrey in several 2007 episodes of The CW series Gossip Girl and Sergeant Burnett in New Amsterdam (2008). In 2010, she played the girlfriend of therapist Paul Weston in the series In Treatment. Starting in 2013, she portrayed Sandra Beeman in The Americans, in the main cast for two seasons and a recurring role for two others. Following that, she appeared as the main character Dr. Nora White in Shut Eye and recurring roles in two seasons (2016, 2018) of Billions, season 2 (2019) of Jack Ryan, and season 6 (2024–25) of FBI: Most Wanted.