The 2016 European Junior Swimming Championships were held from 6–10 July 2016 in Hódmezővásárhely, Hungary. The Championships were organized by LEN, the European Swimming League, and were held in a 50-meter pool. The Championships were for girls aged 14–17 and boys age 15–18.
| 50 m freestyle | Giovanni Izzo | 22.09 | Bruno Blašković | 22.25 | Thomas Fannon | 22.30 |
| 100 m freestyle | Alessandro Miressi | 49.40 | Sergii Shevtsov | 49.57 | Noah Paut Karlo | 49.64 |
| 200 m freestyle | Kacper Stokowski | 1:48.51 | Alexei Sancov | 1:48.54 | Richárd Márton Mateusz Arndt | 1:49.37 |
| 400 m freestyle | Moritz Brandt | 3:48.57 | Victor Johansson | 3:50.21 | Richárd Márton | 3:52.01 |
| 800 m freestyle | Victor Johansson | 7:56.64 | Tom Derbyshire | 7:59.78 | Thore Bermel | 8:00.45 |
| 1500 m freestyle | Tom Derbyshire | 15:08.31 | Albert Escrits | 15:11.60 | Victor Johansson | 15:15.24 |
| 50 m backstroke | Kliment Kolesnikov | 24.94 CR, WJR | Hugo González | 25.31 | Nikolaos Sofianidis | 25.44 |
| 100 m backstroke | Kliment Kolesnikov | 53.65 CR, WJR[1] | Conor Ferguson | 54.49 | Nikolaos Sofianidis | 54.57 |
| 200 m backstroke | Hugo González | 1:57.00 | Jakub Skierka | 1:57.97 | Jacopo Bietti | 1:57.99 |
| 50 m breaststroke | Nikola Obrovac | 27.66 | Nicolò Martinenghi | 27.73 | Federico Poggio | 27.86 |
| 100 m breaststroke | Nicolò Martinenghi | 1:00.30 CR | Federico Poggio | 1:01.13 | David Murphy | 1:02.03 |
| 200 m breaststroke | Kirill Mordashev | 2:11.18 | Nicolò Martinenghi | 2:12.95 | Christopher Rothbauer | 2:13.07 |
| 50 m butterfly | Andrii Khloptsov | 23.51 CR | Alberto Lozano | 23.53 | Kregor Zirk | 24.02 |
| 100 m butterfly | Egor Kuimov | 52.39 | Roman Shevliakov | 52.70 | Alberto Lozano | 52.75 |
| 200 m butterfly | Kristóf Milák | 1:56.77 | Antani Ivanov | 1:57.11 | Damian Chrzanowski | 1:57.49 |
| 200 m individual medley | Joe Litchfield | 2:01.07 | Márton Barta | 2:01.13 | Lorenzo Glessi | 2:01.30 |
| 400 m individual medley | Hugo González | 4:17.27 | Márton Barta | 4:18.51 | Zoltán Drigán | 4:20.84 |
| 4×100 m freestyle | Ivan Girev (50.55) Mikhail Vekovishchev (49.19) Evgenii Galchenko (49.83) Semen Shakhanov (49.72) | 3:19.29 | Alessandro Miressi (49.61) Lorenzo Glessi (50.68) Stefano di Cola (50.17) Giovanni Izzo (48.98) | 3:19.42 | Karol Ostrowski (50.79) Jakub Kraska (49.68) Bartosz Piszczorowicz (50.48) Kacper Stokowski (50.15) | 3:21.10 |
| 4×200 m freestyle | Kacper Stokowski (1:48.76) Mateusz Arndt (1:50.20) Mateusz Kasztelan (1:49.33) Antoni Kaluzynski (1:49.72) | 7:18.01 | Aleksei Rtishchev (1:50.46) Mikhail Vekovishchev (1:48.23) Emil Mukhametzianov (1:50.35) Petr Zhikharev (1:50.43) | 7:19.47 |  Tomer Frankel (1:51.09) Itay Karmi (1:50.88) Denis Loktev (1:49.66) Alon Shami (1:51.40) | 7:23.03 |
| 4×100 m medley | Jacopo Bietti (55.61) Nicolò Martinenghi (59.76) Lorenzo Glessi (52.89) Alessandro Miressi (48.80) | 3:37.06 | Kliment Kolesnikov (54.21) Vitaly Sukhoruchenko (1:02.18) Roman Shevliakov (52.41) Mikhail Vekovishchev (49.31) | 3:38.11 | Jakub Skierka (55.42) Robert Kusto (1:01.20) Damian Chrzanowski (53.59) Jakub Kraska (49.72) | 3:39.93 |
| 50 m freestyle | Mariia Kameneva | 25.02 CR | Julie Kepp Jensen | 25.37 | Nea-Amanda Heinola | 25.64 | |
| 100 m freestyle | Freya Anderson | 54.72 | Barbora Seemanová | 54.97 | Mariia Kameneva | 55.43 | |
| 200 m freestyle | Ajna Késely | 1:57.96 CR | Barbora Seemanová | 1:58.14 | Janja Šegel | 1:58.38 | |
| 400 m freestyle | Ajna Késely | 4:08.10 CR | Holly Hibbott | 4:08.40 | Anastasiia Kirpichnikova | 4:11.61 | |
| 800 m freestyle | Ajna Késely | 8:34.37 | Tamila Holub | 8:36.57 | Lea Boy | 8:36.86 | |
| 1500 m freestyle | Tamila Holub | 16:20.80 CR | Celine Rieder | 16:25.03 | Sveva Schiazzano | 16:26.16 | |
| 50 m backstroke | Polina Egorova | 28.43 | Tania Quaglieri | 28.46 | Mariia Kameneva | 28.53 | |
| 100 m backstroke | Tania Quaglieri | 1:01.38 | Maryna Kolesnykova | 1:01.67 | Anna Maine | 1:02.04 | |
| 200 m backstroke | Tazmin Pugh | 2:11.12 | Tatiana Salcutan | 2:11.69 | Polina Egorova | 2:11.79 | |
| 50 m breaststroke | Tina Čelik | 31.85 | Tara Vovk | 31.93 | Mona McSharry | 31.98 | |
| 100 m breaststroke | Giulia Verona | 1:08.32 | Mona McSharry | 1:08.88 | Tina Čelik | 1:09.74 | |
| 200 m breaststroke | Giulia Verona | 2:26.53 | Layla Black | 2:29.11 | Emma Cain | 2:29.94 | |
| 50 m butterfly | Mariia Kameneva | 26.22 CR | Sara Junevik | 26.98 | Polina Egorova | 27.01 | |
| 100 m butterfly | Polina Egorova | 59.00 | Petra Barocsai | 59.87 | Laura Stephens | 59.94 | |
| 200 m butterfly | Emily Large | 2:08.87 | Julia Mrozinski | 2:10.16 | Laura Stephens | 2:10.18 | |
| 200 m individual medley | Ilaria Cusinato | 2:13.03 CR | Sara Franceschi | 2:13.98 | Anja Crevar | 2:14.41 | |
| 400 m individual medley | Anja Crevar | 4:41.54 | Anna Pirovano | 4:42.06 | Abbie Wood | 4:42.13 | |
| 4×100 m freestyle | Emily Gantriis (57.05) Signe Bro (55.85) Amalie Søby Mortensen (55.72) Julie Kepp Jensen (54.80) | 3:43.42 | Mariia Kameneva (55.33) Vasilissa Buinaia (55.51) Olesia Cherniatina (56.37) Katarina Milutinovich (57.14) | 3:44.35 | Freya Anderson (55.59) Anna Maine (56.85) Emily Large (56.89) Holly Hibbott (55.92) | 3:45.25 | |
| 4×200 m freestyle | Fanni Gyurinovics (2:01.94) Janka Juhász (2:01.97) Petra Barocsai (2:00.56) Ajna Késely (1:58.20) | 8:02.67 | Freya Anderson (2:00.90) Hannah Featherstone (2:01.04) Tazmin Pugh (2:01.86) Holly Hibbott (1:59.65) | 8:03.45 | Anastasiia Kirpichnikova (2:00.46) Oksana Logvinova (2:00.40) Olesia Cherniatina (2:02.51) Irina Krivonogova (2:00.28) | 8:03.65 | |
| 4×100 m medley | Mariia Kameneva (1:01.68) Margarita Driamina (1:10.20) Polina Egorova (58.86) Vasilissa Buinaia (55.11) | 4:05.85 | Tania Quaglieri (1:01.81) Giulia Verona (1:08.78) Ilaria Cusinato (1:00.30) Sara Ongaro (56.05) | 4:06.94 | Anna Maine (1:03.01) Layla Black (1:09.76) Laura Stephens (59.37) Freya Anderson (54.89) | 4:07.03 | |
| 4×100 m freestyle | Mikhail Vekovishchev (50.07) Semen Shakhanov (49.32) Vasilissa Buinaia (55.01) Mariia Kameneva (55.07) | 3:29.47 | Nándor Németh (50.59) Richárd Márton (50.01) Fanni Gyurinovics (55.54) Ajna Késely (55.48) | 3:31.62 | Giovanni Izzo (49.73) Alessandro Miressi (48.97) Sara Ongaro (56.45) Ilaria Cusinato (56.82) | 3:31.97 | ||
| 4×100 m medley | Tania Quaglieri (1:01.98) Nicolò Martinenghi (1:00.42) Ilaria Cusinato (1:00.04) Alessandro Miressi (48.31) | 3:50.75 | Kliment Kolesnikov (54.60) Vitaly Sukhoruchenko (1:02.16) Polina Egorova (59.29) Mariia Kameneva (55.28) | 3:51.33 | Elliot Clogg (56.44) David Murphy (1:02.34) Emily Large (59.39) Freya Anderson (54.72) | 3:52.89 |