"Heat Waves" is a song by English indie rock group Glass Animals, released as a single from their third studio album Dreamland on 29 June 2020. It was released alongside its music video. "Heat Waves" is the group's most successful single to date. In addition to reaching number five on the UK Singles Chart and being a top-five hit in several other European countries, it reached number one in Australia, Canada, Lithuania, Switzerland and the United States, where it reached number one on the Billboard Hot 100 after a record-breaking 59 weeks on the chart. By September 2021, the song had accumulated more than one billion streams on Spotify. At the 2022 Brit Awards "Heat Waves" was nominated for Best British Single.