The entries for the 2017 World Championships have been published!
Technical Solo – 31 entries
- Argentina – Camila Arregui
- Aruba – Kyra Hoevertsz
- Austria – Vasiliki Alexandri
- Brazil – Giovana Stephan
- Bulgaria – Hristina Damyanova
- Canada – Jacqueline Simoneau
- Chile – Isidora Letelier
- Costa Rica – Natalia Jenkins
- Cuba – Carysney Garcia
- Egypt – Dara Tamer
- Germany – Michelle Zimmer
- Greece – Evangelia Platanioti
- Hungary – Szofi Kiss
- Indonesia – Claudia Suaynto
- Italy – Linda Cerruti
- Japan – Yukiko Inui
- Liechtenstein – Lara Mechnig
- Malaysia – Hua Wei Gan
- Mexico – Joana Betzabe Jimenez Garcia
- New Zealand – Aleisha Braven
- North Korea – Min Hae Yon
- Poland – Swietlana Szczepanska
- Russia – Svetlana Kolesnichenko
- Singapore – Debbie Soh or Miya Yong
- Serbia – Nevena Dimitrijevic
- Slovakia – Nada Daabousova
- South Korea – Lee Riyoung
- Spain – Ona Carbonell
- Sweden – Malin Gerdin
- Switzerland – Vivienne Koch
- Ukraine – Anna Voloshyna
Free Solo – 34 entries
- Argentina – Camila Arregui
- Aruba – Kyra Hoevertsz
- Austria – Vasiliki Alexandri
- Belarus – Vasilina Khandoshka
- Brazil – Maria Clara Lobo Coutinho
- Bulgaria – Hristina Damyanova
- Canada – Jacqueline Simoneau
- Chile – Bianca Consigliere
- Costa Rica – Bianca Benavides
- Cuba – Melissa Alonso Diaz
- Egypt – Dara Tamer
- France – Eve Planeix
- Germany – Marlene Bojer
- Great Britain – Kate Shortman
- Greece – Evangelia Platanioti
- Hungary – Szofi Kiss
- Indonesia – Anisa Feritrianti
- Israel – Yael Polka
- Italy – Linda Cerruti
- Japan – Yukiko Inui
- Liechtenstein – Lara Mechnig
- Malaysia – Lee Yhing Huey
- New Zealand – Aleisha Braven
- North Korea – Min Hae Yon or Jang Hyon Ok
- Poland – Swietlana Szczepanska
- Russia – Svetlana Kolesnichenko
- Singapore – Debbie Soh or Miya Yong
- Serbia – Nevena Dimitrijevic
- South Korea – Lee Riyoung
- Spain – Ona Carbonell
- Sweden – Malin Gerdin
- Switzerland – Vivienne Koch
- Turkey – Defne Bakirci
- Ukraine – Anna Voloshyna
Technical Duet – 41 entries
- Argentina – Arregui, Lopez Brasesco
- Austria – Anna Maria & Eirini Alexandri
- Belarus – Limanouskaya, Yesipovich
- Brazil – Miccuci, Borges, Countinho
- Bulgaria – Bozadzhieva, Damyanova
- Canada – Holzner, Simoneau
- China – Jiang Tingting and Wenwen
- Colombia – Alvarez, Arango
- Costa Rica – Calvo, Jenkins
- Cuba – Arisnelvis, Garcia
- Czech Republic – Bernardova, Dufkova, Langerova
- Egypt – Hagrass, Tamer
- France – Charlotte and Laura Tremble
- Germany – Bojer, Reinhardt
- Greece – Papazoglou, Platanioti
- Hong Kong – Kawazoe, Poon
- Hungary – Kiss, Schwarcz
- Indonesia – Feritrianti, Suyanto
- Israel – Blecher, Polka
- Italy – Cerruti, Ferro
- Japan – Inui, Nakamaki, Nakamura
- Kazakhstan – Alexandra and Yekaterina Nemich
- Liechtenstein – Mechnig, Schierscher
- Malaysia – Foong, Gan, Lee
- Mexico – Achach, Diosdado
- the Netherlands – Bregje and Noortje de Brouwer
- New Zealand – Morris, Thomas
- North Korea – Jang, Jo, Min
- Philippines – Abiera, Salvador
- Poland – Mikolajczak, Szczepanska
- Portugal – Costa, Goncalves, Vieira
- Russia – Kolesnichenko, Patskevich, Subbotina (R)
- Singapore – Soh, Yong
- Slovakia – Daabousova, Durisova, Miskechova
- South Africa – Manners-Wood, Strugnell, Wimmer
- Spain – Carbonell, Ramirez, Saldana (R)
- Switzerland – Bellina, Piffaretti
- Turkey – Bakirci, Gundes
- Ukraine – Voloshyna, Yakhno
- USA – Alvarez, Woroniecki
- Uzbekistan – Kim, Ruzmetova, Yuldasheva
Free Duet – 44 entries
- Argentina – Arregui, Lopez Brasesco
- Austria – Anna Maria & Eirini Alexandri
- Belarus – Limanouskaya, Yesipovich
- Brazil – Miccuci, Borges, Countinho
- Bulgaria – Bozadzhieva, Damyanova
- Canada – Holzner, Simoneau
- Chile – Consigliere, Letelier
- China – Jiang Tingting and Wenwen
- Colombia – Alvarez, Arango
- Costa Rica – Calvo, Jenkins
- Cuba – Alonso Diaz, Valdez
- Czech Republic – Dufkova, Langerova, Mrazkova
- Egypt – Hagrass, Tamer
- France – Annequin, Hubaud, Lusseau
- Germany – Bojer, Reinhardt
- Great Britain – Shortman, Thorpe
- Greece – Papazoglou, Platanioti
- Hong Kong – Kawazoe, Poon
- Hungary – Kiss, Schwarcz
- Indonesia – Feritrianti, Suyanto
- Israel – Blecher, Polka
- Italy – Cerruti, Ferro
- Japan – Inui, Nakamaki, Nakamura
- Kazakhstan – Alexandra and Yekaterina Nemich
- Liechtenstein – Mechnig, Schierscher
- Malaysia – Foong, Gan, Lee
- Mexico – Achach, Diosdado
- the Netherlands – Bregje and Noortje de Brouwer
- New Zealand – Morris, Thomas
- North Korea – Jang, Jong, Min
- Philippines – Salvador, Tiambeng
- Poland – Mikolajczak, Szczepanska
- Portugal – Costa, Goncalves, Vieira
- Russia – Kolesnichenko, Patskevich, Subbotina (R)
- Serbia – Dimitrijevic, Kontic
- Singapore – Soh, Yong
- Slovakia – Daabousova, Durisova, Miskechova
- South Africa – Adonis, Manners-Wood, Strugnell,
- South Korea – Baek, Lee, Uhm
- Spain – Carbonell, Ramirez, Saldana (R)
- Switzerland – Bellina, Piffaretti
- Turkey – Bakirci, Gundes
- Ukraine – Voloshyna, Yakhno
- USA – Alvarez, Woroniecki
Mixed Technical Duet – 10 entries
- Brazil – Alcantara Souza, Stephan
- Canada – Prevost, Rampling
- Germany – Ebert, Stoepel
- Greece – Gkortsilas, Kourgiantaki
- Italy – Flamini, Minisini
- Japan – Abe, Adachi
- Panama – Bello Acosta, Pinto, Urrutia
- Russia – Kalancha, Maltsev
- Spain – Ferreras, Ribes
- USA – May, Spendlove
Mixed Free Duet – 11 entries
- Brazil – Alcantara Souza, Stephan
- Canada – Prevost, Rampling
- China – Sheng, Shi
- Germany – Ebert, Stoepel
- Greece – Gkortsilas, Kofidi
- Italy – Minisini, Perrupato
- Japan – Abe, Adachi
- Panama – Bello Acosta, Pinto, Urrutia
- Russia – Kalancha, Maltsev
- Spain – Ferreras, Ribes
- USA – May, Spendlove
Technical Team – 25 entries
- Australia
- Belarus
- Canada
- China
- Costa Rica
- Croatia
- Egypt
- Germany
- Greece
- Hungary
- Indonesia
- Israel
- Italy
- Japan
- Macau
- Mexico
- North Korea
- Russia
- Singapore
- Slovakia
- Spain
- Switzerland
- Ukraine
- USA
- Uzbekistan
Free Team – 24 entries
- Australia
- Belarus
- Canada
- China
- Costa Rica
- Egypt
- France
- Greece
- Hungary
- Israel
- Italy
- Japan
- Kazakhstan
- Macau
- Mexico
- North Korea
- Russia
- Singapore
- Slovakia
- South Africa
- Spain
- Switzerland
- Ukraine
- USA
Free Combination – 16 entries
- Belarus
- China
- France
- Germany
- Greece
- Italy
- Japan
- Kazakhstan
- Macau
- Mexico
- North Korea
- Slovakia
- Spain
- Switzerland
- Ukraine
- Uzbekistan
Note: the entries didn’t differentiate between swimmers and alternates, hence multiple names appearing on some events.