Matthew Richard Bartkowski (born June 4, 1988) is an American professional ice hockey defenseman who is currently an unrestricted free agent.

He was selected by the Florida Panthers in the 7th Round (190th overall) of the 2008 NHL Entry Draft following his final year in the USHL with the Lincoln Stars.

On March 3, 2010, the Panthers traded Bartkowski, along with Dennis Seidenberg, to the Boston Bruins for Byron Bitz, Craig Weller, and a 2nd round 2010 NHL Entry Draft choice.

On February 15, 2017, Bartkowski was signed to a professional tryout with the Calgary Flames, reuniting him with head coach Glen Gulutzan, formerly an assistant in Vancouver.

After participating in pre-season, Bartkowski was released by Pittsburgh and signed to a one-year AHL contract with affiliate, the Wilkes-Barre/Scranton Penguins, on October 2, 2021.

He later joined the Rochester Americans in the AHL, affiliate to the Buffalo Sabres, agreeing to a professional tryout contract on October 29, 2022 to begin the 2022–23 season.