Lost One is a song recorded by American singer-songwriter Jazmine Sullivan.

It was released by RCA Records on August 28, 2020, as the lead single from her debut extended play Heaux Tales.

[2][3] On August 21, 2020, Sullivan posted a picture via her Instagram account of her performing in her house with three people holding instruments in front of her.

[4] Six days later, she announced that a single titled "Lost One" would be released later at midnight EST.

[5] In September 2020, Avery Wilson released a cover version of "Lost One".