Matthew Michael Ball (born January 2, 1968) is an American animal activist. He is co-founder and President of One Step for Animals, and Senior Media Relations Specialist for The Good Food Institute. Previously, he was Director of Engagement and Outreach at Farm Sanctuary, and before that, Senior Advisor for VegFund. In 1993, Ball co-founded Vegan Outreach. Ball served as the group's Executive Director for 21 years. Ball is credited with helping shift the animal rights' movement to a more utilitarian focus, including a focus on chickens. He is the co-author, with Bruce Friedrich, of The Animal Activist's Handbook (2009), and The Accidental Activist (2014). He was inducted into the Animal Rights Hall of Fame in 2005.