Christopher Messina (born August 11, 1974) is an American actor, director, writer, and producer. He is best known for starring as Danny Castellano in the series The Mindy Project (2012–2017), which earned him two nominations for the Critics' Choice Television Award for Best Actor in a Comedy Series.

He has appeared in films such as Vicky Cristina Barcelona (2008), Julie & Julia (2009), Devil (2010), Argo (2012), Ruby Sparks (2012), Celeste and Jesse Forever (2012), Cake (2014), Birds of Prey (2020), I Care a Lot (2020), Call Jane (2022), Air (2023) and The Boogeyman (2023). Messina wrote, executive produced, and starred in the comedy film Fairhaven (2012). He also directed and starred in the drama film Alex of Venice (2014).