"Cold Water" is a song by American electronic dance music production group Major Lazer, featuring vocals from Canadian singer Justin Bieber and Danish singer MØ. The song was released on July 22, 2016, as the lead single from their debut greatest hits album, Major Lazer Essentials. It became Major Lazer's third collaboration with MØ after "Lean On" and "Lost".

"Cold Water" peaked at number one on the UK Singles Chart and number two on the US Billboard Hot 100. The song also reached number one in Australia, Austria, Belgium (Wallonia), Brazil, Canada, Finland, Ireland, Italy, the Netherlands, New Zealand, Norway, Portugal, Sweden and Switzerland; as well as the top 10 in Belgium (Flanders), Denmark, France, Germany, Greece, Iceland, Israel, Lebanon, Luxembourg, Mexico, Scotland, South Africa and Spain.