The European Junior Swimming Championships is an annual swimming competition for European swimmers organized by the Ligue Européenne de Natation and held over five days. Up until 2015, the competitor age for females was 15 to 16 years, while for males it was 17 to 18 years. Since 2016, females between the ages of 14 to 17 years and males aged between 15 to 18 years are eligible to compete.