 Mat Milberry | | 2025 | Ontario Hockey Academy U18 | CSSHLE U18 |  |
 Jazmine Miley | 1995-01-15 | 2027 | Caribbean U16 |  Latam Cup U16 | |
| Cody Miller | 1993-07-07 | 2026 | Huntsville Havoc | SPHL | |
| Dave Miller | | 2027 | Lindsay Muskies | OJHL | |
| Margot Miller | 1988-00-00 | 2027 | Team Orange |Girls 16/17| | USA-16/17 (W) | |
| Rob Miller | | 2026 | Calgary Edge School U17 AAA | CSSHL U17 AAA | |
| Scott Miller | | 2021 | Laramie Outlaws | USHS-WY | |
| Thomas Miller | 1984-05-04 | 2026 | Red Deer Rebels | WHL | |
| Kyle Millett | 1997-04-09 | 2026 | Crystal Beach Academy U18 AAA |  NAPrepHL U18 | |
| Jimmy Milliken | 1976-10-28 | 2027 | Copper City Chiefs | APHL | |
| Eric Millisor | 1990-11-06 | 2026 | York College | AAU III | |
 Ivan Milojkovic | 1982-08-12 | 2026 | HK Vojvodina |  IntHL | |
| Ian Milosz | 1995-05-08 | 2026 | Northeast Generals | NAHL | |
| Colin Minardi | 1991-08-26 | 2026 | Princeton Posse | KIJHL | |
| Trevor Mingoia | 1992-01-18 | 2025 | South Carolina Stingrays | ECHL | |
| Mark Minion | | 2026 | Ottawa Myers Automotive U18 AAA | HEO U18 | |
 Arttu Minkkinen | 1998-06-07 | 2026 | JYP U18 | U18 SM-sarja | |
| Joseph Minnix | 1972-08-12 | 2026 | New York Saints 15U AAA | THF 15U | |
| Noah Minns | 2000-06-27 | 2026 | Univ. of Wisconsin-Stout | NCAA III | |
 Richard Miscik | 1998-08-20 | 2027 | HK '18 Karpatsky Sokol U16 | Slovakia U16 2 | |
| Nick Mish | 1982-06-01 | 2026 | Johnstown Tomahawks | NAHL | |
 Gary Mitchell | 1964-07-27 | 2027 | Basingstoke Bison |  NIHL | |
| Jason Mitchell | 1977-08-27 | 2027 | Gatineau Nomad | QJHL | |
| John Mitchell | 1986-07-10 | 2027 | Rapid City Rush | ECHL | |
| John Mitchell | 1985-01-22 | 2027 | Charlottetown Islanders | QMJHL | |
| Keegan Mitchell | 2001-05-17 | 2026 | Eastern Dukes U16 AAA | NSU16AAAHL | |
 Larry Mitchell | 1967-06-02 | 2027 | Augsburger Panther | DEL | |
| Parker Mitchell | 2003-07-29 | 2026 | Mora-Milaca High | USHS-MN | |
| Greg Mixon | | 2026 | Durham West Jr. Lightning | OWHL U22 AA (W) | |
| Joshua Mizerek | 1977-10-06 | 2023 | Netherlands | WC D1B | |
 Adnan Mlivic | 1989-05-09 | 2026 | Bosnia and Herzegovina U20 | WJC-20 D3A | |
 David Mnatsyan | 1993-02-12 | 2024 | Florida Jr. Panthers 16U AA | SFHL 16U AA | |
 Seung Young Mo | 2003-01-30 | 2026 | Chinese Taipei | WC D2A (W) | |
 Navid Moazen Chaharsooghi | 1988-06-07 | 2023 | Iran | CCOA (W) | |
| Robin Moberg | 1996-06-26 | 2027 | Viikingit | II-divisioona | |
 Ivo Mocek | 1988-04-16 | 2027 | Czechia (all) | International (W) | |
| Jordan Modesto | | 2023 | San Jose Barracuda | AHL | |
 Steve Moeller | 1962-08-28 | 2024 | Canberra Brave | AIHL | |
 Iver Moen | 2004-03-09 | 2026 | Nidaros Hockey U20 | Norway U20 | |
| Geoff Moffat | 1977-01-17 | 2026 | Coquitlam Express | BCHL | |
| Drew Moffit | 1988-00-00 | 2024 | Western Michigan Univ. | ACHA | |
| Mark Mogus | | 2026 | Drayton Valley Thunder | AJHL | |
| Gaetano Moirano | 1990-01-09 | 2027 | Yellowstone Quake | NA3HL | |
 Sandro Molin Pradel | 1984-07-29 | 2026 | Skautafélag Reykjavikur |  Iceland | |
| Jim Moline | | 2023 | MN Sharks 15U AAA | MNBEL 15U | |
| Alexander Molnár | 1986-05-20 | 2020 | Seacoast Performance Academy PW | QC Int PW | |
| Michael Monahan | | 2019 | Bridgewater State Univ. | ACHA II | |
| Elliott Mondou | 2000-10-23 | 2027 | St. Louis Blues | NHL | |
| Martin Mondou | 1975-07-29 | 2026 | Shawinigan Cataractes | QMJHL | |
| Tristan Mondou | 2003-11-14 | 2026 | Shawinigan Cataractes | QMJHL | |
 Alexandre Monnier | 1992-11-12 | 2023 | Évry-Viry | France3 | |
| Parsa Monsef | 1992-03-04 | 2027 | Bloomington Bison | ECHL | |
| Vincent Montalbano | 1981-09-30 | 2026 | Vancouver Canucks | NHL | |
| Bailey Monteith | 2002-01-28 | 2026 | Trail Smoke Eaters | BCHL | |
| Bob Montrose | | 2026 | Rochester Grizzlies | NA3HL | |
| Randy Montrose | 1964-05-00 | 2026 | Cleary Univ. | ACHA | |
| Matt Mood | 1999-10-14 | 2026 | Philadelphia HC 18U AAA | AYHL 18U | |
| Ryan Moon | 1999-02-13 | 2025 | Okanagan Rockets U18 AAA | BCEHL U18 | |
| Tom Mooradian | 1990-09-06 | 2027 | Niagara Univ. | ACHA | |
| Greg Moore | 1984-03-26 | 2027 | Toronto Marlies | AHL | |
| Kaden Moore | 1998-04-24 | 2027 | Medicine Hat Tigers | WHL | |
| Kyler Moore | 1994-04-26 | 2023 | Univ. of Oregon | ACHA | |
| Nathan Moore | 1981-08-04 | 2026 | Motor City Gamblers 16U AA | 16U AA | |
| Evan Moorhouse | 1994-08-13 | 2027 | Univ. of Massachusetts | NCAA | |
| Jana Carina Mooslechner | | 2022 | Germany U18 | WJC-18 (W) | |
| Chris Moquin | 1995-06-08 | 2026 | Southern New Hampshire Univ. | NCAA III | |
| Joaquin Mora | 2000-02-09 | 2026 | Orlando Solar Bears | ECHL | |
| Johnathan Moran | 1990-12-06 | 2026 | Seattle Torrent | PWHL (W) | |
| Ty Moran | 2003-05-22 | 2025 | Iroquois/Alden High | USHS-NY | |
| Ethan Moreau | 1975-09-22 | 2020 | Niagara Whalers | GMHL | |
| Félix Moreau | 2002-00-00 | 2027 | École de la Magdeleine M18 D1 R | RSEQ M18 D1 R | |
 Mathias Morén | 1983-02-20 | 2027 | IFK Arboga | Division 2 | |
| Sue Morena | 1974-08-28 | 2025 | Team Kirk U12 | EIH Showcase U12 | |
| Brit Morgan | 1988-07-07 | 2026 | Indiana Sentinels | FPHL | |
| Cullum Morgan | 1994-02-14 | 2020 | Plano East High | USHS-TX | |
| Robert Morgan | 1968-01-22 | 2025 | Keene State College (W) | NCAA III (W) | |
 Lucas Morgan-D'Souza | 2005-07-11 | 2027 | Cardiff Redhawks Women | BUIHA | |
| Adam Morin | 2006-00-00 | 2024 | Rive-Sud Express 2 M18 BB | QM18BB | |
| Grant Morin | 1996-12-10 | 2026 | Kenai River Brown Bears | NAHL | |
| Patrick Morin | 1974-09-24 | 2019 | Maniwaki Forestiers | LHSAO | |
| Tyler Morin | 2000-06-19 | 2027 | Charleston Colonials | USPHL Premier | |
| Jan Morkes | 1985-02-07 | 2026 | Czechia (all) | International | |
| Jeff Morning | | 2025 | Don Mills Flyers U18 AAA | GTHL U18 | |
 Melchior Morosoli | 1984-08-20 | 2025 | HC Wisle U16 | Swiss U16-A | |
| Curtis Morrison | | 2025 | Atlanta Fire 14U AA | SESCL 14U | |
| Eric Morrissette | | 2023 | Vernon Vipers | BCHL | |
| Shayne Morrissey | 1992-01-07 | 2026 | Philadelphia L. Flyers 13U AAA | AYHL 13U | |
| Allie Morse | 1994-03-22 | 2026 | MN Elite Navy 19U | UMHSEHL (W) | |
| Rebecca Morse | 1992-03-04 | 2023 | Atlantic Girls Selects | QC Int PW | |
 Nicolai Mortensen | 1999-02-16 | 2026 | Denmark | WC | |
| Edmund Mortimer | 2003-07-03 | 2027 | Cardiff Redhawks Women | BUIHA | |
| Kory Mortimer | 1989-06-08 | 2027 | Paris Mounties | PJCHL | |
| Craig Morton | 1977-06-23 | 2026 | Florida Alliance 16U AAA | 16U AAA (W) | |
| Mike Morton | | 2026 | Omaha Mastery 15U AAA | 15U AAA | |
| Alex Mosca | 1995-12-29 | 2020 | Shawsheen Valley Tech | USHS-MA | |
| Dylan Moscato | | 2025 | Williamsville North High | USHS-NY | |
| Scott Moser | 1989-05-05 | 2027 | Rochester Americans | AHL | |
| Ludvig Motéus | 1995-04-29 | 2016 | Dubuque Fighting Saints | USHL | |
| Chris Moulton | | 2026 | Brandon Wheat Kings | WHL | |
| Kyle Mountain | 1990-09-03 | 2027 | Florida Everblades | ECHL | |
