 Joshua Appleberg (F) | 2000-12-07 | 2024 | Univ. of Michigan-Flint | ACHA III |  |
 Josh Appleby (F) | | 2025 | Oxford Vikings C | BUIHA | |
| Brach Applegate (F) | 2007-01-16 | 2026 | Springfield Jr. Pics | USPHL Elite | |
 Freya Appleton (F) | 2013-06-14 | 2026 | Billingham Stars U16 Girls | WNIHL U16 (W) | |
 Syl Apps (D) | 2010-02-03 | 2026 | Upper Canada College U16 AAA | U16 AAA | |
| Oliver Appt (F) | | 2024 | Don Mills Flyers U18 AAA | GTHL U18 | |
| Peter Aprea (C) | 2007-04-09 | 2026 | Westchester Express 18U AAA | 18U AAA | |
 Filippo Aprile (F) | 2005-08-29 | 2026 | HCB Chiasso |  SwissDiv2 | |
 Kristers Apsitis (F) | 2004-06-05 | 2025 | Prizma Riga-2 | Latvia2 | |
| Oskars Apsitis (F) | 2010-10-19 | 2026 | Cardigan Mountain School | USHS-Prep | |
 Rok Apsner (G) | 2010-09-22 | 2026 | Villacher SV U18 |  Austria U18i | |
| Jacob Aptekar (F) | 2010-04-21 | 2026 | Toronto Nationals U16 AAA | U16 AAA | |
 Kilyan Aptel (D) | 2007-01-13 | 2026 | Bordeaux II | France4 | |
| Joel Apthorp (C) | 2006-06-02 | 2026 | Milton Menace | OJHL | |
 Alejandro Apud (D/C) | 2001-09-12 | 2026 | Western Michigan Univ. | ACHA | |
| Aiden Aqpik-Savard (C) | 2005-02-11 | 2026 | Cégep Limoilou Titans (D2) | QCHL D2 | |
| Derek Aquila (F) | 1981-00-00 | 2002 | Fernie Ghostriders |  AWHL | |
| Emilio Aquilini (G) | 2005-06-07 | 2020 | West Vancouver Thunder U15 A1 | U15 A1 | |
| Bryan Aquino (C) | 2009-02-01 | 2026 | The Lawrenceville School | USHS-Prep | |
| Dylan Aquino (G) | 2008-01-00 | 2026 | Atlantic Coast Academy 18U AAA | BEAST 18U | |
| Safir Aradj (W/C) | 2008-06-07 | 2026 | New Jersey Jr. Titans 18U AAA | NAT1HL 18U | |
| Ryan Arakawa (F) | | 2026 | Univ. of Illinois | ACHA II | |
| Cam Arakelian (D) | 2003-00-00 | 2026 | Westfield State Univ. | ACHA II | |
| Jeffrey Arale (F) | | 2026 | Long Island Sharks 18U A | EJEPL 18U | |
| Emiliano Arana (F) | 2004-08-11 | 2023 | Indiana Univ. | ACHA II | |
| Jacob Aranda (G) | 2007-03-11 | 2026 | Mercer Chiefs 18U AAA | THF 18U | |
| Jackson Arango (D) | 2006-02-03 | 2026 | Renfrew Wolves | CCHL | |
| Jaimeson Arango (F) | 2008-11-00 | 2026 | OHA Mavericks Tardiff U22 | OWHL U22 AA (W) | |
| Vincent Arata (G) | 2004-06-30 | 2025 | Odessa Jackalopes | NAHL | |
| Marc-Alan Jr. Araujo (F) | 2007-10-18 | 2026 | Shattuck St. Mary's 18U AAA | 18U AAA | |
| Jan Miguel Araujo Veras Ruch (G) | 2007-04-09 | 2026 | HC Davos U18 | Swiss U18-Elit | |
| Cesar Aravena (D) | 2011-04-00 | 2026 | Long Island Royals 14U AAA | AYHL 14U | |
| Bauer Arbeau (D) | 2008-01-28 | 2026 | Woodstock Slammers | NCDC | |
| Joseph Arbel (G) | 2002-05-30 | 2018 | Skokie Flyers 16U A | NJPHL 16U | |
 William Arbin (D) | 2009-04-18 | 2026 | Brinkens IF U18 | U18 Region | |
| Glittra Arbinger (C) | 2009-02-07 | 2026 | Hedesunda IF/Brynäs U19 | U19 Region (W) | |
| Jeremy Arbour (F) | 1999-00-00 | 2021 | St-Isidore Aigles | NCJHL | |
| 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 | |
 Suleyman Archakov (RW) | 2010-00-00 | 2026 | Jokerit U16 |  U16 SM-sarja | |
| 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 | |
| Tatiana Archibald (G) | 2001-01-26 | 2026 | Caledonia Steel Queens | WNIHL 1 (W) | |
| 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 | |
| Sebastian Arduini (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 | HockeyEttan | |
| Hilda Arhammar Pakarinen (C/W) | 2006-03-13 | 2027 | Harvard Univ. | NCAA (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 | |
