Eels (often typeset as eels or EELS) is an American rock band formed by singer/songwriter Mark Oliver Everett, better known as E. Other members rotate frequently, both in the studio and on stage.

Eels appear on several film soundtracks, including American Beauty, Holes, The Anniversary Party, Knocked Up, Yes Man, The End of Violence, Hellboy II, Hot Fuzz, and all three Shrek movies.