CCGS Captain Molly Kool is a Canadian Coast Guard converted medium class icebreaker. She was originally built as an icebreaking anchor handling tug Vidar Viking for Trans Viking Icebreaking & Offshore in 2001. The vessel was acquired by the Canadian Coast Guard in August 2018 and was commissioned in May of the next year after refit. CCGS Captain Molly Kool has two sister vessels, CCGS Jean Goodwill and CCGS Vincent Massey, both of which are converted offshore vessels.