 Kelly Arbour (D) | | 2000 | Gibbons Broncos | CapJHL |  |
| Nicholas Arbour (F) | 2007-10-14 | 2026 | French River Rapids | NOJHL | |
 Nolan Arbuckle (D) | 1996-09-14 | 2022 | Post Univ. | NCAA III | |
| Caleb Arcand (F) | 2010-00-00 | 2026 | Thunder HC U18 | PHL U18 | |
| Draden Arcand (D) | 2007-03-13 | 2026 | Hinton Canadians | AEJHL | |
| Jackson Arcand (F) | 2004-05-20 | 2025 | Walpole Island Wild | PJCHL | |
| Jameson Arcand (G) | 2010-05-13 | 2026 | Indigenous Sports Academy U17 | CSSHL U17 | |
| Tyrell Arcand (G) | 2006-00-00 | 2026 | Onion Lake Scouts | AEJHL | |
 Nicolas Arcauz (D) | 2012-10-07 | 2025 | Suisse Romande Béliers | QC Int PW | |
| Alexandre Archambault (LW) | 2008-08-03 | 2026 | Norwich Hockey Club 18U AAA | UT1HL 18U | |
| Christophe Archambault (C) | 1994-01-13 | 2026 | Ste-Agathe-des-Monts | LHSE | |
| Noah Archambault (G) | 2006-07-01 | 2024 | Lac St-Louis Islanders U18 |  NAPrepHL U18 | |
| Tristan Archambault (F/D) | 1997-04-28 | 2024 | Cowboys |  II-divisioona | |
| William Archambault (G) | 2010-05-22 | 2026 | École Fadette Vert & Noir M18 D1 | RSEQ M18 D1 | |
| Bruce Archer (F) | | 2024 | Holy Lenape Valley | USHS-NJ | |
| Caden Archer (F) | 2007-02-24 | 2026 | Hershey Cubs | USPHL Elite | |
| Owen Archer (D) | 2010-07-28 | 2026 | St. Albert Raiders U18 AAA | AEHL U18 | |
| Owen Archer Cameron (F) | 2010-06-15 | 2026 | Rebels Hockey Academy U16 | PHL U16 | |
| Darren Archibald (RW/LW) | 1990-02-09 | 2026 | Fehérvár AV19 |  ICEHL | |
| Maxwell Archibald (D) | 2005-00-00 | 2026 | Strathcona Bruins | CapJHL | |
| Nathan Archibald (F) | 2003-04-29 | 2023 | Kings County Rivermen | IsJHL | |
 Alexander Archibasov Horneij (D) | 2010-08-09 | 2026 | Almtuna IS U16 2 | U16 Div.1 | |
| Anthony Archinaco (D) | 2004-10-03 | 2026 | The College of New Jersey | ACHA | |
| Francesca Archinaco (G) | 2011-06-26 | 2025 | Pittsburgh Penguins Elite 14U | 14U AAA (W) | |
| Nicolas Arcilla (G) | 2008-01-24 | 2026 | Ontario Hockey Academy U18 | PPHL 18U | |
| Sam Arden (D) | 2012-04-11 | 2025 | Thieves 37s U13 |  Kings of Spring U13 | |
| Tilde Ardevall (D) | 2009-02-08 | 2026 | IF Troja-Ljungby | HockeyAllsvenskan (W) | |
| Jacob Ardown (C) | 1990-04-12 | 2023 | Greasy Snappers | OTBHL | |
| Sebestien Arduni (D) | 2011-00-00 | 2026 | Toronto Jr. Canadiens U15 AAA | GTHL U15 | |
 Linwa Areerattanatragoon (F) | 2013-05-23 | 2026 | Sherbrooke Harfangs M15 AAA | QM15AAA | |
| Louis Aregger (F) | 2008-09-08 | 2026 | HC Ambrì-Piotta U18 | Swiss U18-Elit | |
| London Arel (F) | 2011-01-27 | 2026 | San Diego Jr. Gulls 14U AA | 14U AA | |
 Adam Arendarik (G) | 2008-10-14 | 2026 | HK Dukla Trencin U18 | Slovakia U18 | |
 Daniel Arendas (G) | 2004-05-28 | 2026 | EHC Bayreuth II | Germany5 | |
| Jakob Areschoug (G) | 2008-08-02 | 2026 | Trollhättans HC U18 | U18 Div.2 | |
| Thomas Argall (LW) | 2009-01-01 | 2025 | É. Sec. de la Seigneurie M18 D1 | RSEQ M18 D1 | |
| Santiago Argandona (F) | 2008-02-09 | 2024 | CIHA Voyageurs U16 Prep | U16 AAA | |
| Santino Argento (D) | 2011-04-04 | 2026 | Laval Rocket M15 AAA E | QM15AAA E | |
| Grady Argereow (G) | 2010-06-30 | 2026 | North Yarmouth Academy | USHS-Prep | |
| Che Arguello (D) | 2011-03-00 | 2026 | Wasatch Renegades 14U AAA | NAT1HL 14U | |
| Ian Arguello (G) | | 2026 | Univ. of Alabama | ACHA III | |
| Grahm Arguin (C) | 2007-11-23 | 2026 | Springfield Thunderbirds 19U AAA | BEAST 18U | |
| Jérémy Arguin (D) | 2007-11-07 | 2026 | WB/Scranton Knights 18U AAA | 18U AAA | |
| Max Argus (D) | 2006-09-24 | 2026 | Borås HC U20 | U20 Region | |
| Hilda Arhammar Pakarinen (C/W) | 2006-03-13 | 2026 | HIFK | Auroraliiga (W) | |
| Christian Arianna (G) | 2012-00-00 | 2026 | Toronto Jr. Canadiens U14 AAA | GTHL U14 | |
| Anton Ariaratnam (F) | 2008-04-28 | 2026 | The Hill Academy U18 Prep | PPHL 18U | |
| Jonatan Arildsson (D) | 1984-08-21 | 2023 | Skärblacka IF | Division 3 | |
| Tatu Arisalo (D) | 2009-12-26 | 2026 | TPS U18 Akatemia | U18 Suomi-sarja | |
 Markel Aristegui (F) | 2006-04-21 | 2026 | Zalgiris Kaunas |  Lithuania | |
 Artem Arkhypenko (F) | 2007-07-04 | 2026 | Kryzhynka-Capitals Kyiv U18 | Ukraine U18 | |
| Ville Arkiomaa (D) | 2005-03-25 | 2026 | Kiekko-Espoo U20 | U20 SM-sarja | |
| Valtteri Arkko (-) | 2000-08-24 | 2025 | HC Lumikot | FCAA | |
| Connor Arko (F) | 2007-08-31 | 2026 | Houghton High | USHS-MI | |
| Dovydas Arlauskas (F) | 2010-00-00 | 2026 | Jar IL/Jutul U16 |  Norway U16 | |
| Lendon Arledge (G) | 2006-10-20 | 2026 | McKendree Univ. | ACHA III | |
| Max Arlt (F) | 2006-06-12 | 2026 | Gillette Wild | NA3HL | |
 Matteo Armani (F) | 2008-08-29 | 2026 | Feltre | Italy2 | |
| Andrew Armas (F) | 2006-05-16 | 2025 | Long Beach Bombers | USPHL Premier | |
| Mario Armata (F) | 2007-08-19 | 2025 | Northeast Metro Tech | USHS-MA | |
| Joni Arminen (G) | 1995-07-02 | 2018 | Bruins | III-divisioona | |
| Juho Arminen (LW) | 1998-11-18 | 2026 | TuS Harsefeld | Germany4 | |
| Liam Armit (RW) | 2009-01-14 | 2026 | Baie-Comeau Drakkar | QMJHL | |
| Blake Armitage (D) | 2004-01-30 | 2026 | Smiths Falls Rideaus | NPHL | |
| Ryan Armitage (LW) | 2006-01-31 | 2026 | Timmins Rock | NOJHL | |
| Nicholas Armour (D) | 2011-00-00 | 2026 | Florida Alliance 14U AAA | T1EHL 14U | |
| Allen Armstrong (F) | | 2026 | Amherst Knights 18U AAA | BEAST 18U | |
| Bryce Armstrong (G) | 2012-07-24 | 2026 | Okanagan HA Colorado 13U AAA | 13U AAA | |
| Cameron Armstrong (G) | 2010-09-00 | 2026 | Danbury Jr. Hat Tricks 15U AAA | 15U AAA | |
| Charlie Armstrong (F) | 1999-08-10 | 2019 | Almonte Inferno | NCJHL | |
| Christian Armstrong (RW) | 2008-01-20 | 2026 | Oakville Blades | OJHL | |
| Colton Armstrong (F) | 2011-00-00 | 2026 | Pittsburgh Vengeance 14U AAA | 14U AAA | |
| Cooper Armstrong (F) | 2011-07-22 | 2026 | Cariboo Cougars U15 AAA | BCEHL U15 | |
| Cruise Armstrong (C/RW) | 2010-06-18 | 2026 | Mount St. Charles Acad 15U AAA | NEPACK 15U | |
| Daniel Armstrong (D) | 2009-08-17 | 2025 | Saugerties Mustangs 16U A | AHF 16U | |
| Easton Armstrong (F) | 2010-05-28 | 2026 | Calgary Edge School U17 AAA | CSSHL U17 AAA | |
| Foster Armstrong (F) | 2009-01-21 | 2026 | Pacific Coast Academy U17 Prep | CSSHL U17 | |
| Jacob Armstrong (G) | 2006-08-23 | 2026 | Nelson Leafs | KIJHL | |
| Jason Armstrong (C) | 1991-06-07 | 2012 | Leaside Kings U21 AAA | GTHL U21 | |
| Jordan Armstrong (G) | 2006-03-13 | 2026 | North Winnipeg Satelites | CRJHL | |
| Kaden Armstrong (D) | 2006-09-07 | 2026 | Thunder Hockey Club | NCDC | |
| Lucas Armstrong (D) | 2010-09-18 | 2026 | Calgary Bulls U17 AAA | AEHL U17 | |
| Matt Armstrong (LW) | 1982-08-09 | 2024 | Melbourne Mustangs |  AIHL | |
| Oakley Armstrong (G) | 2006-03-25 | 2026 | Casper Warbirds | NCDC | |
| Rafe Armstrong (F/D) | 2007-03-20 | 2026 | Potomac Patriots | USPHL Premier | |
| Riley Armstrong (C/RW) | 1984-11-08 | 2016 | Reading Royals | ECHL | |
| William Armstrong (F) | 2007-06-22 | 2025 | Burlington Cougars | OJHL | |
| Derek Army (C/RW) | 1991-04-10 | 2018 | Wheeling Nailers | ECHL | |
| River Arnason (F) | 2008-01-03 | 2026 | Prince George Spruce Kings | BCHL | |
| Oliver Arnberg (RW) | 1996-07-19 | 2026 | Nynäshamns IF | Division 3 | |
| Olle Arnberg (D) | 2010-10-29 | 2026 | Strömsbro IF U18 | U18 Region | |
| Sean Arnberger (RW/D) | 2005-06-09 | 2026 | Connecticut Jr. Rangers | USPHL Elite | |
| Easton Arndt (F) | 2010-01-04 | 2026 | HC Edmonton U18 | JPHL U18 | |
| Maddie Arndt (G) | 2012-00-00 | 2026 | Team Illinois 14U AAA | 14U AAA (W) | |
| Robin Arndt (G) | 1990-04-29 | 2023 | Amsterdam Tigers |  Netherlands2 | |
| Theo Arnells (G) | 2009-08-14 | 2026 | Njurunda SK U18 | U18 Div.1 | |
| Marius Per Arnesen (C) | 2006-02-23 | 2026 | Seattle Totems | USPHL Premier | |
| Easton Arneson (D) | 2010-00-00 | 2025 | MN Loons 14U AA Black | MNHP 14U II | |
| Linus Arnesson (D) | 1994-09-21 | 2026 | Örebro HK | SHL | |
| Linus Johan Eidsa Arnestad (F) | 2010-10-07 | 2026 | Lillehammer U18 | Norway U18 | |