Zoe Swicord Kazan (born September 9, 1983) is an American actress and playwright. Kazan made her acting debut in Swordswallowers and Thin Men (2003) and later appeared in films such as The Savages (2007), Revolutionary Road (2008) and It's Complicated (2009). She starred in happythankyoumoreplease (2010), Meek's Cutoff (2010) and Ruby Sparks (2012), writing the screenplay for the latter. In 2014, she starred in the film What If and the HBO miniseries Olive Kitteridge, for which she received an Emmy nomination. In 2017, she portrayed Emily Gardner, based on Emily V. Gordon, in the film The Big Sick.
Kazan has also acted in several Broadway productions.