Dylan McIlrath (born April 20, 1992) is a Canadian professional ice hockey defenceman. He played junior hockey for the Moose Jaw Warriors of the Western Hockey League (WHL) and was drafted by the New York Rangers, 10th overall at the 2010 NHL Entry Draft. Known for his fighting ability, his nickname is "The Undertaker". McIlrath is of majority Scottish descent.
On July 28, 2021, McIlrath signed as a free agent to a two-year, two-way contract with the Washington Capitals,
On July 2, 2023, McIlrath signed a two-year, two-way contract extension with the Capitals.