Lemonade Mouth is a 2011 American teen musical drama television film, based on the 2007 novel of the same name by Mark Peter Hughes. The film was directed by Patricia Riggen and written by April Blair, and stars Bridgit Mendler, Adam Hicks, Naomi Scott, Hayley Kiyoko and Blake Michael. The film tells the story of five high school students who meet in detention and form a band to stand up for their beliefs and to overcome their individual and collective struggles.

Lemonade Mouth was released on Disney Channel on April 15, 2011, and received 5.7 million views on its premiere night, making it the third most-watched Disney Channel Original Film (DCOM) premiere of its year. DVR viewing raised the number to 7.1 million. The film's soundtrack of the same name enjoyed commercial success, reaching number four on the Billboard 200. The tracks "Breakthrough", "Determinate" and "Somebody" were released as singles and charted on the Billboard Hot 100. The film and soundtrack received positive reviews from critics and audiences, with many praising the direction, performances, and themes. It is often considered one of the best DCOM films.

Lemonade Mouth won the Popstar Award for Favorite TV Movie in 2011. Riggen was nominated for the Directors Guild of America Award for Outstanding Directorial Achievement in Children's Programs in 2012, and sound editor Amber Funk was nominated for the Motion Picture Sound Editors Award for Best Sound Editing in a Long Form Musical in Television.