Frozen Fever is a 2015 American animated musical fantasy short film produced by Walt Disney Animation Studios and released by Walt Disney Pictures. A follow-up to the 2013 feature film Frozen, the short follows Elsa as she attempts to throw a surprise party for her sister Anna with the help of Kristoff, Sven, and Olaf. Chris Buck and Jennifer Lee again served as the directors with Kristen Bell, Idina Menzel, Jonathan Groff, and Josh Gad reprising their roles from the film.

Production on Frozen Fever began in June 2014 and took six months to complete. The film debuted in theaters alongside Walt Disney Pictures' live-action remake of Cinderella on March 13, 2015. It received positive reviews from critics, along with praise for its original song "Making Today a Perfect Day" by Kristen Anderson-Lopez and Robert Lopez.