The 2023 World Junior-B Curling Championships were held from December 8 to 19 at the Kisakallio Sports Institute in Lohja, Finland.

[1] Following the decision of the Finnish Curling Association to decline their host spots in both the men's and women's tournaments at the 2024 World Junior Curling Championships, four women's (China, Canada, Germany, and Turkey) and four men's teams (Canada, United States, Denmark, and New Zealand) were promoted to the 2024 World Junior Curling Championships.

[2] The teams are listed as follows:[3] Skip: Charlie Ryan Third: Thomas Bence Second: Benjamin Wayman Lead: Flynn Colins Alternate: Bailey Ryan Skip: Matthäus Hofer Third: Johann Karg Second: David Zott Lead: Moritz Jöchl Alternate: Christoph Neumayr Skip: Vitor Melo Third: Nuno Rodrigues Second: Kyron Suhan Lead: Arthur Camelo Skip: Johnson Tao Third: Jaedon Neuert Second: Zachary Davies Lead: Adam Naugler Skip: Vít Chabičovský Third: Ondřej Bodlák Second: Krystof Zdarsky Lead: David Skacha Alternate: Jakub Matějíček Skip: Jacob Schmidt Third: Alexander Qvist Second: Kasper Jurlander Bøge Lead: Johnathan Vilandt Alternate: Nikki Jensen Skip: Benjamin Holcombe Third: Toby Martin Second: Owen Brackpool Lead: Isaac Blakeley Alternate: Robert Mechem Skip: Cheng Ching-nam Third: Cheng Ching-him Second: Cheng Ching-kiu Lead: Lai Chung-hei Jonas Alternate: Chung Kwan Chak Skip: Lőrinc Tatár Third: Raul Karasz Second: Kristof Szarvas Lead: Milan Tueske Skip: Ryo Aoki Third: Takuto Ouchi Second: Rio Hayashi Lead: Naoki Kanazawa Alternate: Haruto Ouchi Skip: Aidos Alliyar Third: Ibragim Tastemir Second: Arman Irjanov Lead: Georgiy Skupnevskiy Skip: Robert Reinis Buncis Third: Kristaps Zass Second: Toms Sondors Lead: Aleksandrs Baranovskis Alternate: Deniss Smirnovs Skip: Sam Flanagan Third: Willian Becker Second: Darcy Nevill Lead: Hunter Burke Alternate: Jed Nevill Skip: Antoni Frynia Third: Kacper Mucha Second: Bartlomiej Mosiolek Lead: Jan Witkowski Alternate: Michal Kolano Skip: Dan Ghergie Fourth: Tudor Pop Third: Toma Matei Felecan Lead: Tudor Mihalca Alternate: Catalin Vancea Skip: Ernest Erjavec Bizjak Third: Zan Krapez Second: Jure Marvic Lead: Bor Kelemina Skip: Kim Dae-hyun Third: Lee Woo-jung Second: Park Seong-min Lead: Kwon Juni Alternate: Shin Eun-jun Skip: Aleix Raubert Third: Ismael Mingorance Second: Javier Carasa Lead: Eneko Saez de Ocariz Alternate: Oriol Gasto Skip: Axel Landelius Third: Alexander Palm Second: Olle Moberg Lead: Dante Alexander Alternate: Vilmer Nygren Skip: Selahttin Eser Third: Mehmet Fatih Bayramoglu Second: Bilal Emre Lead: Yunus Emre Nerse Alternate: Muhammed Taha Zenit Skip: Eduard Nikolov Third: Yaroslav Shchur Second: Artem Suhak Lead: Vladyslav Koval Alternate: Artem Shlyk Skip: Wesley Wendling Third: Kevin Tuma Second: Jackson Bestland Lead: Jackson Armstrong Alternate: Caden Hebert Final Round Robin Standings All draw times are listed in Eastern European Time (UTC+02:00).

[5] Thursday, December 14, 08:00 Thursday, December 14, 12:00 Thursday, December 14, 16:00 Thursday, December 14, 20:00 Friday, December 15, 09:00 Friday, December 15, 14:00 Friday, December 15, 19:00 Saturday, December 16, 08:00 Saturday, December 16, 12:00 Saturday, December 16, 16:00 Saturday, December 16, 20:00 Sunday, December 17, 09:00 Sunday, December 17, 14:00 Sunday, December 17, 19:00 Monday, December 18, 10:00 Monday, December 18, 17:00 Tuesday, December 19, 10:00 Tuesday, December 19, 10:00 The teams are listed as follows:[3] Skip: Holly Douglas Third: Marcy Forge Second: Molly Baker Lead: Sienna Dunmore Fourth: Teresa Treichl Skip: Astrid Pflügler Second: Emma Müller Lead: Lisa Auer Alternate: Hannah Wittibschlaeger Skip: Mirte Michiels Third: Frauke Michiels Second: Mona Goubert Lead: Tess Watzeels Alternate: Ziva Watzeels Skip: Gabriela Farias Third: Isis Regadas Second: Melissa Sampaio Lead: Ana Teódoro Skip: Myla Plett Third: Alyssa Nedohin Second: Chloe Fediuk Lead: Allie Iskiw Skip: Li Ziru Third: Zhang Jiaqi Second: Zhang Yujie Lead: Gao Ya Alternate: Zhang Yuning Skip: Luci Pavelka Third: Paula Princip Second: Jelena Bukvić Lead: Ema Posavec Alternate: Lucija Matani Skip: Sofie Krupičková Third: Emma Seifriedová Second: Matylda Volfová Lead: Veronika Vašáková Alternate: Klára Baudyšová Skip: Karolina Jensen Third: Gabriella Qvist Second: Natalie Wiksten Lead: Katrine Schmidt Alternate: Emilie Holtermann Fourth: Lina Opel Skip: Anna MacDougall Second: Marianna Ward Lead: Helena Kiggell Alternate: Phoenix Davies Fourth: Kim Sutor Skip: Sara Messenzehl Second: Zoé Antes Lead: Joy Sutor Alternate: Carolina Abdel Halim Skip: Linda Joó Third: Laura Nagy Second: Laura Lauchsz Lead: Hanna Orbán Alternate: Dorina Dencso Skip: Rebecca Mariani Third: Giorgia Maurino Second: Camilla Gilberti Lead: Lucrezia Grande Alternate: Rachele Scalesse Skip: Yekterina Kolykhalova Third: Tilsmay Alliyarova Second: Merey Tastemir Lead: Regina Ebauyer Alternate: Yana Ebuayer Skip: Evelīna Barone Third: Rēzija Ieviņa Second: Veronika Apse Lead: Marija Seliverstova Alternate: Letīcija Ieviņa Skip: Lisenka Bomas Third: Marit van Valkenhoef Second: Anandi Bomas Lead: Linde Nas Skip: Rachael Pitts Third: Ruby Kinney Second: Olivia Russell Lead: Lucy Neilson Alternate: Tahlia Petersen Fourth: Paulina Frysz Skip: Magdalena Herman Second: Julia Jawien Lead: Malgorzata Frysz Skip: Ambra Paslaru Third: Ania Bacali Second: Emma Ganea Lead: Ariana Romaniuc Alternate: Sorena Pop Skip: Melánia Kováčiková Third: Nina Summernova Second: Paulina Hajduk Lead: Zora Reilly Fourth: Ema Kavčič Third: Pavla Kavčič Skip: Lana Zaveljcina Lead: Nina Krapež Fourth: Daniela García Skip: Leyre Torralba Second: Nerea Torralba Lead: Leire Carasa Alternate: Marisol Arias Fourth: Berfin Şengül Third: İclal Karaman Second: İfayet Şafak Çalıkuşu Skip: İlknur Ürüşan Alternate: Melisa Cömert Skip: Yaroslava Kalinichenko Third: Diana Mosalenko Second: Anastasiia Kotova Lead: Marharyta Lytvynenko Skip: Miranda Scheel Third: Sara Olson Second: Allory Johnson Lead: Tessa Thurlow Final Round Robin Standings All draw times are listed in Eastern European Time (UTC+02:00).

[5] Friday, December 8, 8:00 Friday, December 8, 12:00 Friday, December 8, 16:00 Friday, December 8, 20:00 Saturday, December 9, 9:00 Saturday, December 9, 14:00 Saturday, December 9, 19:00 Sunday, December 10, 8:00 Sunday, December 10, 12:00 Sunday, December 10, 16:00 Sunday, December 10, 20:00 Monday, December 11, 10:00 Monday, December 11, 19:00 Tuesday, December 12, 10:00 Tuesday, December 12, 19:00 Tuesday, December 12, 19:00