"The Worrying Kind" is a rock song performed by the Ark, written and composed by Ola Salo. It was released as the second single from their fourth album, Prayer for the Weekend. On 10 March 2007 the song won Melodifestivalen 2007, becoming Sweden's Eurovision Song Contest 2007 entry. The song won both the jury and public vote.

The Ark are a Swedish glam rock band formed in 1991 and remaining active until 2011. They released five studio albums and became one of the most successful bands in Scandinavia. They made their breakthrough with the song "It Takes a Fool to Remain Sane" in 2000, and several hit songs followed.