"Sealed with a Kiss" is a song written by Peter Udell and Gary Geld. It was first recorded by The Four Voices in 1960 and released as a single, but their recording was not a hit.

In 1962, Brian Hyland, who often performed Udell and Geld's material, covered the song. Hyland's single began its run on June 6, 1962 and became a hit, reaching No. 3 on both the Billboard Hot 100 and the UK Singles Chart. The personnel on the original Brian Hyland recording included Mundell Lowe, Al Caiola on guitar, Gary Geld on piano, George Duvivier on bass, Blackie Shackner on harmonica and Gary Chester on drums and Sticks Evans and Al Rogers on percussion.

When re-released in 1975, Hyland's recording charted in the UK at No. 7. Hyland also recorded a version in German.

Gary Lewis & the Playboys covered the song in 1968 on the album Gary Lewis Now!. Their cover version of the single was a Billboard Hot 100 No. 19 hit.

A third Top 40 Hot 100 version came in 1972, when Bobby Vinton released a single, reaching No. 19 in the Billboard singles chart. This version also placed high on Billboard's adult contemporary chart. Vinton arranged the song himself, with a modern sound including a unique bongo opening that made the song stand out from the pack. The success of the single led to the release of an album, also titled Sealed With A Kiss that charted as a best seller. This single, which was a follow up to "Every Day of My Life" marked a Vinton comeback in 1972, with the artist appearing on American Bandstand and other television shows on the strength of the single. Billboard ranked it as the No. 87 song for 1972. Vinton's recording was used in both the trailer and end credits of the 2007 horror film All the Boys Love Mandy Lane.

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