Chau, Beyond the Lines (previously known as: War Within the Walls) is a 2015 American short-documentary film about a 16-year-old disabled by the effects of Agent Orange, who aspires to become an artist and clothing designer. It is directed by Courtney Marsh and produced by Jerry Franck and Marsh.

Chau, Beyond the Lines was shortlisted with nine other documentaries from 74 entries submitted to 88th Academy Awards in Documentary Short Subject category, and eventually received a nomination.