In 2015, Lynch was the first person to sign the petition against live export in the On Cow tour, an event organised by Compassion in World Farming which visited eight cities in the European Union. Since then, she has joined many animal rights demonstrations and campaigns. In May 2018, Evanna Lynch and a journalist traveled to Kerala, India to observe the treatment of the endangered Asian elephant. In August, she and actor Peter Egan joined the organisation Save the Asian Elephants to hand in a 200,000-name petition to the Department for Environment, Food and Rural Affairs, demanding to ban the advertisement in the United Kingdom of "unethical Asian elephant related holidays abroad", among other requests.