- Name: Michael Callahan
- Nationality: United States
- Position: Defense
- Shot: Left
- DOB: 09/23/1999
- Height: 6-1
- Weight: 190
- Hometown: Franklin, MA
- 2016-17 Team:
- 2015-16 Team: Roxbury Latin School (MA)
- 2014-15 Team: Neponset Valley River Rats U16
- CHL Status: 2015 Rouyn-Noranda (QMJHL) 14/243
- NCAA Status: Providence (HE)
- USHL Status: 2015 Bloomington 4/56
- NHL Draft Eligible: 2018