Niels Schneider (born June 18, 1987) is a French-Canadian actor. He had his breakthrough role in Xavier Dolan's film I Killed My Mother (2009), and gained international recognition in Dolan's Heartbeats (2010). In 2011, he won the Trophée Chopard Award for Male Revelation of the Year at the Cannes Film Festival.

In 2017, he won the César Award for Most Promising Actor for his performance in Dark Inclusion (2016). In 2019, he was named a Knight of the Order of Arts and Letters in France. He has been living and working based in Paris for most of his career.