Aaron Johnson (April 30, 1983 in Port Hawkesbury, Nova Scotia) is a professional ice hockey defenceman who currently plays for the National Hockey League's Chicago Blackhawks.
He was drafted by the Columbus Blue Jackets in the 2001 NHL Entry Draft. He was the chosen 85th overall in the 3rd round. Columbus chose not to issue him a qualifying offer on June 27, 2007, making him a free agent. On July 12, 2007, Johnson was signed by the New York Islanders.
Johnson signed with the Chicago Blackhawks on July 11, 2008.