The United trio have all been regulars for Sarina Wiegman during the qualifiers and will take part in the tournament, which will be held between 2 and 27 July.
England are, of course, aiming to defend the title they famously won at Wembley in 2022.
Toone was a part of the Lionesses's triumph, scoring the opening goal in the final win over Germany.
She also featured in the run to the 2023 Women's World Cup final, where England were edged out by Spain.
The 23 #Lionesses heading to Switzerland! #WEURO2025 ud83dudcab
— Lionesses (@Lionesses) June 5, 2025
Clinton and Le Tissier can look forward to a first major international tournament, following stellar campaigns with Marc Skinner's side.