"Lost and Found" is a song by English singer Ellie Goulding from her third studio album, Delirium (2015).

[2] Co-written by Goulding, Carl Falk, Max Martin, Laleh Pourkarim and Joakim Berg, it is a strumming, guitar-based mid-tempo song combining elements of folk and electronic music.

Lewis Corner of Digital Spy called the song as a "sparkling pop anthem".

[4] Rachel Brodsky of Spin wrote, "[The song] that would likely take off in any club setting", praising his chorus, saying that his beats "which never hurts".

[5] Bianca Gracie Idolator stated the song "is one of the strongest tracks [Goulding] has released thus far.