You Must Believe in Spring is an album by jazz pianist Bill Evans, recorded by Evans, bassist Eddie Gómez, and drummer Eliot Zigmund in August 1977 and released after Evans' death in September 1980. It was Evans's last recording sessions done with Gomez on bass, who left after eleven years with Evans to pursue other musical projects. Evans also recorded the title song as a duet with jazz vocalist Tony Bennett on their second album of duets titled Together Again (1977).