In March de Jesus dos Santos was later selected to compete at the 2019 European Championships alongside Marine Boyer, Lorette Charpy, and Coline Devillard. She later competed at the EnBW DTB-Pokal Team Challenge in Stuttgart where France placed fourth in the team final. At the European Championships de Jesus dos Santos won the all-around ahead of 2017 European Champion Ellie Downie. During event finals de Jesus dos Santos successfully defended her floor exercise title, won silver on balance beam behind Alice Kinsella of Great Britain, and finished seventh on uneven bars. This made her the most decorated female gymnast of the championships, tied with Angelina Melnikova of Russia.