"One Kiss" received multiple awards and nominations. Most notably, the song won the Brit Award for British Single of the Year at the 2019 Brit Awards. At the 2019 "Billboard" Music Awards, 2018 iHeartRadio Music Awards, and 2018 Teen Choice Awards, it received a nomination for best Dance/Electronic Song, but did not win both awards. The song was also nominated for Song of the Summer categories at the 2018 MTV Video Music Awards and the 2018 Teen Choice Awards. At 2018's BBC Radio 1's Teen Awards, the song was nominated for Best Single and International Song of the Year at the LOS40 Music Awards 2018. The song was nominated for the 2018 Popjustice £20 Music Prize.