The National Hockey League (NHL) is a professional men’s ice hockey league founded in 1917. Since then, there has been 6 defunct teams and 1 that merged into another existing team. Here is the list of all the team franchises that formally folded.
Montreal Wanderers
Quebec Bulldogs / Hamilton Tigers
Pittsburgh Pirates / Philadelphia Quakers
Ottawa Senators / St. Louis Eagles
Montreal Maroons
New York Americans / Brooklyn Americans
Winnipeg Jets / Phoenix Coyotes / Arizona Coyotes
Winnipeg Jets / Arizona Coyotes logo history