Thomas Chabot was named captain of the Ottawa Senators on Sept 29. He is the most recent player to be named to the position.
Sidney Crosby is the longest current tenured captain, holding the position for the Pittsburgh Penguins since May 31, 2007. The Columbus Blue Jackets, Detroit Red Wings and Vancouver Canucks do not currently have a captain.
Here is the list of team captains:
Anaheim Ducks -- Mikael Granlund
Boston Bruins -- David Pastrnak
Buffalo Sabres -- Rasmus Dahlin
Calgary Flames -- Mikael Backlund
Carolina Hurricanes -- Jordan Staal
Chicago Blackhawks -- Connor Bedard
Colorado Avalanche -- Gabriel Landeskog
Columbus Blue Jackets -- Vacant
Dallas Stars -- Jamie Benn
Detroit Red Wings -- Vacant
Edmonton Oilers -- Connor McDavid
Florida Panthers -- Aleksander Barkov
Los Angeles Kings -- Drew Doughty
Minnesota Wild -- Jared Spurgeon
Montreal Canadiens -- Nick Suzuki
Nashville Predators -- Roman Josi
New Jersey Devils -- Nico Hischier
New York Islanders -- Bo Horvat
New York Rangers - J.T. Miller
Ottawa Senators -- Thomas Chabot
Philadelphia Flyers -- Sean Couturier
Pittsburgh Penguins -- Sidney Crosby
San Jose Sharks -- Macklin Celebrini
Seattle Kraken -- Jordan Eberle
St. Louis Blues -- Robert Thomas
Tampa Bay Lightning -- Victor Hedman
Toronto Maple Leafs -- Auston Matthews
Utah Mammoth -- Clayton Keller
Vancouver Canucks -- Vacant
Vegas Golden Knights -- Mark Stone
Washington Capitals -- Alex Ovechkin
Winnipeg Jets -- Adam Lowry
