Jocelin Donahue is an American actress best known for her lead role in Ti West's critically acclaimed horror film The House of the Devil and for playing young Lorraine in Insidious: Chapter 2. She has played leading roles in many independent films including The Frontier, a noir crime thriller from director Oren Shai. In 2016 Donahue also worked with director Terrence Malick on his film Knight of Cups and starred opposite Martin Freeman as a rookie FBI agent on the Crackle series StartUp.

As a commercial actress, she has appeared in numerous national and international campaigns including ads for Levi's, Apple, AT&T and General Motors. In campaigns for Ketel One and Old Navy, she worked with directors David O. Russell and Roman Coppola.

Donahue is a native of Bristol, Connecticut and a graduate of New York University with a degree in Sociology. She lives in Los Angeles and has been married to the artist Greg Santos since 2006.