The Washington Capitals held the third and final day of their 2026 Rookie Camp on Monday at the McMullen Hockey Arena in Annapolis. Participants include Cole Hutson, Ilya Protas, Lynden Lakovic, Terik Parascak and Andrew Cristall, plus many other draft picks. The complete roster is at the bottom.
| No. | Player | Pos | Birthdate | Acquisition / Draft Status | Team / League |
| 1 | Harrison Boettiger | G | Dec. 11, 2007 | Free Agent Invite | Kelowna WHL |
| 14 | Lynden Lakovic | LW | Dec. 12, 2006 | 2025 Draft, 1st round, 27th overall | Moose Jaw WHL |
| 18 | Terik Parascak | RW | May 28, 2006 | 2024 Draft, 1st rd, 17th overall | Prince George WHL |
| 28 | Andrew Cristall | LW | Feb. 4, 2005 | 2023 Draft, 2nd rd, 40th overall | Hershey AHL |
| 41 | Ryan Chesley | D | Feb. 27, 2004 | 2022 Draft, 2nd rd, 37th overall | Hershey AHL |
| 44 | Cole Hutson | D | June 28, 2006 | 2024 Draft, 2nd rd, 43rd overall | Capitals/Boston U NHL/NCAA |
| 45 | Leon Muggli | D | July 9, 2006 | 2024 Draft, 2nd rd, 52nd overall | EV Zug NL |
| 49 | Patrick Thomas | C | Aug. 21, 2004 | 2023 Draft, 4th rd, 104th overall | Hershey/S. Carolina AHL/ECHL |
| 51 | Tyus Sparks | C | Jan. 4, 2008 | 2026 Draft, 4th rd, 101st overall | Spokane WHL |
| 54 | Cam Allen | D | Jan. 7, 2005 | 2023 Draft, 5th rd, 136th overall | Hershey AHL |
| 58 | Eriks Mateiko | LW | Nov. 18, 2005 | 2024 Draft, 3rd rd, 90th overall | Hershey AHL |
| 62 | Ilya Protas | LW | July 18, 2006 | 2024 Draft, 3rd rd, 75th overall | Capitals/Hershey NHL/AHL |
| 64 | Brian McFadden | D | Jan. 2, 2008 | 2026 Draft, 5th rd, 144th overall | Thayer USHS-PREP |
| 65 | Maxim Schafer | LW | May 17, 2007 | 2025 Draft, 3rd rd, 96th overall | Chicoutimi QMJHL |
| 66 | Petr Sikora | RW | Jan. 2, 2006 | 2024 Draft, 6th rd, 178th overall | Ocelari Trinec Czechia-1 |
| 82 | AJ ReyELTS | G | March 20, 2006 | Free Agent Invite | Penticton WHL |
| 84 | Logan Stuart | C | April 23, 2008 | 2026 Draft, 7th rd, 208th overall | USA-U18 NTDP |
| 91 | Alexander Suzdalev | LW | March 5, 2004 | 2022 Draft, 3rd rd, 70th overall | Hershey AHL |
| 93 | David Gucciardi | D | Oct. 9, 2002 | 2022 Draft, 7th rd, 213th overall | Hershey AHL |
| 96 | Zack Bleick | D | Sept. 4, 2008 | Free Agent Invite | Flint OHL |
| 97 | Gavin Lesiuk | LW | Jan. 14, 2008 | Free Agent Invite | Lethbridge WHL |
