| Team name | Skip name | Lineup |
|---|---|---|
| St. Paul's Elementary School | Eli Matchett | Skip: Eli Matchett Third: Dylan Lent Second: Liam Colbert Lead: Machlen Stewart |
| Galardo | Jayme Galardo | Skip: Jayme Galardo Third: Peyton Matchett Second: Emily St. Croix Lead: Scarlett Johnston |
| Markdale Golf & Curling | Samuel Squire | Skip: Samuel Squire Third: Leah Brier Second: Grace Den Haan Lead: Lila Squire |
| Ryder Kinnear | Ryder Kinnear | Skip: Ryder Kinnear Third: Kayden Morris Second: Everett Chambers Lead: Louie Tran |
| Port Elgin Curling Club | Quibell | Skip: Wesley Quibell Third: Kate Burridge-MacDonald Second: Justin Reinwald Lead: Vera Quibell |
| Schell | Tessa Schell | Skip: Tessa Schell Third: Olivia Blackwell Second: Emma Desrochers Lead: Bella Laing Alternate: Riley Wimmer |
| Rego | Liam Rego | Skip: Liam Rego Third: Nathan Simon Second: Evan Desrochers Lead: Bradley King Alternate: Owen McLean |
| Kostiak | Tess Kostiak | Skip: Tess Kostiak Third: Catelyn Hewitt Second: Hannah Blackwell Lead: Sarah Colbert Alternate: Julianna Snape |
| Tucker | Iris Tucker | Skip: Iris Tucker Third: Ella Rego Second: Athena Wise Lead: Aspen Shaw Alternate: Charlotte Slomer |
| Stroud Little Rock Girls | Annie Kostiak | Skip: Annie Kostiak Third: Daphne Tucker Second: Sadie Werenich Lead: Elizabeth Slomer Alternate: Aliyana Grandoni |
| Team Schell | Kyle Schell | Skip: Kyle Schell Third: Mathew King Second: Morrison King Lead: Ayden Grandoni Alternate: Blake Schell |
| Medeiros | Olivia Medeiros | Skip: Olivia Medeiros Third: Anna McLean Second: Charley Fisher Lead: Lily Silk Alternate: Kaia Zuybck |
| Newport | Trent Newport | Skip: Trent Newport Third: Merryn Tyndall Second: Lennon Murray Lead: Owen Hutka |
| Kincardine Curling Club A | Allison Court | Skip: Allison Court Third: Madeline Hunter Second: Ethan Moriarty Lead: Cooper Moffatt |
| Tucker | Skip: Lily Tucker Third: Abby Lajeunesse Second: Cecila Orr Lead: Alexa James Alternate: Demaray Fleulling | |
| Sullivan Stingers | James Elder | Skip: James Elder Third: Preston King Second: Ewan Elder Lead: Riley Brown |
| Milton Curling Club | Declan Elms | Skip: Declan Elms Third: Claire Baker Second: Hayden Bellusci Lead: Norah Kaino Alternate: Rory Baker |
| Palmerston Public School | Grayson Dann | Skip: Grayson Dann Third: Lily Laird Second: Hudson Dann Lead: Nolan Laird |
| Chesley Cougars | Ashley Foxcroft | Skip: Ashley Foxcroft Third: Georgia Holding Second: Kiley Hawke Lead: Chelsea Hammell |
| Chesley Dragons | Barbara MacKinnon | Skip: Barbara MacKinnon Third: Paige Fee Second: Joy Schwippl Lead: Matthew Thomson |
| MacTavish | Owen MacTavish | Skip: Owen MacTavish Third: Maisie Cram Second: Joshua Miller Lead: Cale Gallagher |
| Peterborough Curling Club | Lochlin Beaudoin | Skip: Lochlin Beaudoin Third: MacAuley Matthews Second: Maddison Matthews Lead: Evan Scott |
| Galt Curling 1 | Everett Karr | Skip: Everett Karr Third: Kati Armitage Second: Kyra Armitage Lead: Owen Anderson Alternate: Anna Goad |
| Galt Curling 2 | Kayla Armitage | Skip: Kayla Armitage Third: Ava Parsons Second: Ethan Parsons Lead: Max Mondor |
| Tara/Allenford Curling Club | Hailey Davidson | Skip: Hailey Davidson Third: Brett Fisher Second: Darcie Floyd Lead: Jane Fisher Alternate: Melody McGregor |
| St. Francis | Jacob Donahee | Skip: Jacob Donahee Third: Evan Dragicevic Second: Owen Ginou Lead: Ethan Silva |
| Kincardine 2 | Natalie Court | Skip: Natalie Court Third: Tillie McLaughlin Second: Chuck Newton Lead: Clare O'Handley Alternate: Rory McLaughlin |
| Winchester | Taylor | Skip: Taylor Third: Chloe Second: Morgan Lead: Sophia |
| Ice Wizards | Ben Rusciolli | Skip: Ben Rusciolelli Third: Caleigh Beyerlein Second: Clara Zarnke Lead: Luna Hadaller |
| KW Granite 1 | Jesse Benham | Skip: Jesse Benham Third: Andrew Thompson Second: Blake Hobden Lead: Leo Ware |
| Richmond Hill Curling Little Rocks | Skip: Ethan Ma Third: Elinor Abramov Second: Sophie Paglia Lead: Adelaide Wong | |
| London 3 | Jasper Urbaniak | Skip: Jasper Urbaniak Third: Sam Bélanger Second: Colin Urbaniak Lead: Quinn Charlton |
| London 2 | Addison Williams | Skip: Addison Williams Third: Leah Kolech Second: Owen Stronach Lead: Aubrey Witty Alternate: Hannah Kolech |
| London 1 | Evan Williams | Skip: Evan Williams Third: Aaron Germain Second: Graham Germain Lead: Owen Williams |
| Schellhorn | Milena Schellhorn | Skip: Milena Schellhorn Third: Morgan Grant Second: Tieren Faulkner Lead: Alexandra Widecki |
| Arthur Curling Club | Skip: Robertson Reid Third: Cora Reid Second: Hunter Woods Lead: Owen Erickson Alternate: William Rooyakkers | |
| Port Carling Curling Club | Maverick Chambers | Skip: Maverick Chambers Third: Parker Bain Second: Jaxon Jamieson Lead: Wyatt Bates |
| Elmira Curling Club | Skip: Emily Wideman Third: Norah McLachlan Second: Cole Hoyt Lead: Lilah McLachlan Alternate: Isaac Stevanus | |
| KW Granite | Callum Thompson | Skip: Callum Thompson Third: Zoey Hamilton Second: Kenzie Edgeworth Lead: Janna Hamilton Alternate: Ari Chand |
| K-W Granite | Olivia Thompson | Skip: Olivia Thompson Third: Sara Tuka Second: Olivia Vaduva Lead: Brynn Illingworth Alternate: Marko Krstic |
| Lindsay Curling Club | Denver Hudson | Skip: Denver Hudson Third: Tristen Smyth Second: Braydan Webdale Lead: Edie Hudson |
| Wingham Warriors | Deveena Devries | Skip: Deveena Devries Third: Sophia Morrison Second: Dylyn Haggitt Lead: Lydia Jefferson |
| Palmerston Curling Club | Reid Schneider | Skip: Reid Schneider Third: Ben Martin Second: Cameron Schill Lead: Ryder Lashbrook Alternate: Landyn Simpson |
| Cookstown Central Cougars (Cookstown 3) | Rotating | Skip: Joel Quist Third: Henry McKay Second: Hunter Wright Lead: Colton Ropson Alternate: Adeeb K |
| CCPS Cougars (Cookstown 2) | Tba | Skip: Claire Kell Third: Scarlett Barnes Second: Raelynn Tanner Lead: Ashley Burkitt Alternate: Ruby-June Barnes |
| Dixie Curling Club | Kathleen Cromwell | Skip: Kathleen Cromwell Third: William Pike Second: Cassia Boulos Lead: Liam Connors Alternate: Donna Pike |
| Barrie Curling Club | Taia Paradis | Skip: Taia Paradis Third: Lexey Paradis Second: Harper Wolfe Lead: Jaxon Wolfe |
| Alliston/Cookstown | Rotating | Skip: Owen Jarvis Third: Alec Brander Second: Carter Nicol Lead: Carter Pelley Alternate: Landon Kell |