Christopher David Noth (born November 13, 1954) is an American actor. He is known for his television roles as NYPD Detective Mike Logan on Law & Order (1990–1995), Big on Sex and the City (1998–2004), and Peter Florrick on The Good Wife (2009–2016). He was nominated for the Golden Globe Award for Best Supporting Actor on Television for Sex and the City in 1999 and for The Good Wife in 2010.

He reprised his role of Mike Logan on Law & Order: Criminal Intent (2005–2008), and reprised his role of Big in the films Sex and the City (2008) and Sex and the City 2 (2010). He starred in the first two seasons of the 2021 revival of The Equalizer, on CBS, and appeared in And Just Like That..., the revival of Sex and the City. His roles in both series were curtailed after the emergence of multiple sexual assault allegations against him in December 2021.