| Team name | Lineup |
|---|---|
| Shapiro Zhang | Skip: Nathan Shapiro Third: Jason Zhang Second: Ben Shapiro Lead: Carol Zhang |
| Richmond Hill Little Rocks | Skip: Sophie Paglia Third: Elinor Abramov Second: Ethan Ma Lead: Adelaide Wong |
| Sheldrick | Skip: Teagan Sheldrick Third: Hailey Carter Second: Isla Proulx Lead: Emma Zwicker Alternate: Ciana Landry |
| London Curling Club | Skip: Evan Williams Third: Caleb Cornwell Second: Graham Germain Lead: Owen Williams Alternate: Miles Brunskill |
| Port Elgin Pirates | Skip: Wesley Quibell Third: Kate Burridge-MacDonald Second: Justin Reinwald Lead: Vera Quibell |
| Arthur Area Curling Club | Skip: Hunter Woods Third: Savannah O'Donnell Second: Owen Erickson Lead: Carter Baker |
| KW Granite | Skip: Zoey Hamilton Third: Marko Krstic Second: Janna Hamilton Lead: Kenzie Edgeworth |
| Dixie Curling Centre | Skip: James Clark Third: William Pike Second: Cassia Boulos Lead: Donna Pike Alternate: Victoria Clark |
| Allenford Curling Club | Skip: Brett Fisher Third: Melody McGregor Second: Natalie Davidson Lead: Evelyn Thompson |
| Richmond Hill Little Rocks - Team 2 | Skip: Yumo Wang Third: Justin Cox Second: Hilda Fong Lead: Eva Pan |
| Belmore Curling Club | Skip: Jackson Underwood Third: Thomas MacEwen Second: Maveric Visser Lead: Mason Inglis |
| Team Kostiak | Skip: Annie Kostiak Third: Olivia Medeirosq Second: Elizabeth Slomer Lead: Aliyana Grandoni |
| Galt Curling - Armitage | Skip: Kayla Armitage Third: Kyra Armitage Second: Ava Parsons Lead: Kati Armitage |
| Galt Curling - Anderson | Skip: Owen Anderson Third: Hunter Good-Godard Second: Ethan Parsons Lead: Kaylynn Good-Godard |
| Richmond Curling Club | Skip: Chloe Brett Third: Morgan Graham Second: Tieren Faulkner Lead: Lilly Durant |
| KW Granite 2 | Skip: Andrew Thompson Third: Olivia Vaduva Second: Brynn Illingworth Lead: Ari Chand |
| Guelph Curling - Bartlett | Skip: Robbie Bartlett Third: Finn Buchanan Second: Oliver Buchanan Lead: Ant Wood |
| KW Granite 3 | Skip: Callum Thompson Third: Sara Tuka Second: Olivia Thompson Lead: Evan Ligett |
| Galt Curling - Karr | Skip: Everett Karr Third: Bruce Kunihiro Second: Olivia MacDonald Lead: Jeremy Chan |
| Galt Curling - Comini | Skip: Matthew Comini Third: Ella Logel Second: Max Mondor Lead: Nora Mondor Alternate: Abigail Fowler |
| Team Murray | Skip: Lennon Murray Third: Avery Garnet Second: Clara Garnet Lead: Violet Brocanier |
| Team Martin | Skip: Ben Martin Third: Robertson Reid Second: Cora Reid Lead: Josh Jones |
| Halton Hammers | Skip: Keelan Armstrong Third: Isabella Bartens Second: Jack Fennell Lead: Saanvi Gadde Alternate: Marcus Bartens |
| Listowel team Paleczny | Skip: Tessa Paleczny Third: Colin Taylor Second: Dakota Bakkar Lead: Blakely Veitch Alternate: Aubrey Versluis |
| Listowel team Franco | Skip: Landen Franco Third: Jasleen Saini Second: Nova Jobagy Lead: Eirlys Farifull |
| Team Barbosa | Skip: Rui Barbosa Third: Jackson Costanzo Second: Winona Quelhas Lead: Matthew Quelhas Alternate: Seren Hadaller |
| Kinnear | Skip: Ryder Kinnear Third: Scarlet Johnston Second: Louie Tran Lead: Kayden Morris |
| Team Cram | Skip: Maisie Cram Third: Cale Gallagher Second: Espen Van Dyke Lead: Adam Sawyer Alternate: Jackson Atkinson |
| Chesley 1 | Skip: Ashley Foxcroft Third: Georgia Holding Second: Kiley Hawke Lead: Chelsea Hammell |
| Acton CC - Ice Wizards | Skip: Ben Rusciolelli Third: Clara Zarnke Second: Luna Hadaller Lead: Charlotte Passmore |
| Chesley 2 | Skip: Paige Fee Third: Matthew Thomson Second: Jamie West Lead: Jill Schwippl |
| Ching | Skip: Paul Poirier Third: Davis Doak Second: Anna Kapogines Lead: Ella Cooper Alternate: TBD |
| Chesley 3 | Skip: Ewan Elder Third: Tyson Frook Second: Riley Brown Lead: Jackson Frenette Alternate: William Frenette |
| Russell Curling Club 2 | Skip: Emma Zwicker Third: Kara Mckenna Second: Abigail Kibbee Lead: Finley Proulx |
| Team Baker | Skip: Micah Baker Third: Tobin Baker Second: Kien Doth Lead: Louie Trinca |
| Stroud CC - Simon | Skip: Nathan Simon Third: Evan Desrochers Second: Bradley King Lead: Liam Rago |
| Stroud - Hewitt | Skip: Catelyn Hewitt Third: Olivia Blackwell Second: Tessa Schell Lead: Emma Desrochers Alternate: Julianna Snape |
| Stroud - King | Skip: Matthew King Third: Ayden Grandoni Second: Blake Schell Lead: Logan Blackwell |
| Cobra Curl | Skip: Machlen Stewart Third: Eli Matchett Second: Lucas Todd Lead: Liam Colbert |
| Elmira Curling Club | Skip: Isaac Stevanus Third: Cole Hoyt Second: Carter Wooster Lead: Kingsley Wooster |
| Palmerston Rowden | Skip: Jack Rowden Third: Duncan Wilson Second: Curtis Lubbers Lead: Sawyer Singer Alternate: Jayden Dann |
| Palmerston Schneider | Skip: Jonathan Schneider Third: Isaac Dobson Second: Lily Laird Lead: Nolan Laird |
| Palmerston Cox | Skip: Montgomery Cox Third: Carter Dobson Second: Etta Berlett Lead: Wyatt Flewelling Alternate: Beau Fotheringham |
| Palmerston Dann | Skip: Grayson Dann Third: Cameron Schill Second: Reid Schneider Lead: Hudson Dann |
| Pamerston Brooms and Braids | Skip: Kate Wassink Third: Clara Schneider Second: Rea Weppler Lead: Kandice Bosman |
| KW Granite 4 | Skip: Abigail Csima Third: Alistair Erdman Second: Matthew Bui Lead: Cathy Zhang |
| Milton 2 | Skip: TBD Third: TBD Second: TBD Lead: TBD |
| Milton 1 | Skip: TBD Third: TBD Second: TBD Lead: TBD |