Niamh Algar is an Irish actress. She is known for winning Best Actress in a Leading Role- TV Drama at the 2020 IFTA Film& Drama Awards for her performance in The Virtues. Other roles include MotherFatherSon, Raised by Wolves and Pure. In 2021, she appeared in Wrath of Man and Censor. For her role in Calm with Horses, she was nominated for the BAFTA Award for Best Actress in a Supporting Role.