Christopher David Noth (born November 13, 1954) is an American actor. He is known for his television roles as New York City Police Detective Mike Logan in Law & Order (1990–1995), Big in Sex and the City (1998–2004), and Peter Florrick in The Good Wife (2009–2016). He was nominated for a 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 as Mike Logan in Law & Order: Criminal Intent (2005–2008) and reprised his role as Big in the films Sex and the City (2008) and Sex and the City 2 (2010). He appeared in the first two seasons of the 2021 revival of The Equalizer on CBS and appeared in And Just Like That..., the continuation of Sex and the City. His roles in both series were reduced after multiple accusations of sexual assault against him emerged in December 2021.