Jessica Lois Ware (born 15 October 1984) is a British singer and songwriter. She came to prominence following the release of her debut album, Devotion (2012), which peaked at number five on the UK Albums Chart and produced the single "Wildest Moments". Her second album, Tough Love (2014), reached number nine in the UK and produced the singles "Tough Love" and "Say You Love Me". Her third album, Glasshouse (2017), reached number seven in the UK.

Ware switched to a disco-influenced sound for her fourth album, What's Your Pleasure? (2020), which was released to critical acclaim, reached number three in the UK, and produced the singles "Spotlight", "Save a Kiss" and "Remember Where You Are". Her fifth album, That! Feels Good! (2023), produced the single "Free Yourself" and reached number three in the UK, as well as peaking at number sixteen in the Top Album Sales chart in the US. Ware has received accolades including seven Brit Awards nominations including one for Best New Artist and four for British Female Solo Artist and two Mercury Prize nominations.

In 2018, Ware began co-hosting Table Manners alongside her mother Lennie, a podcast about "family, food and the art of a good old chit-chat", available to online streaming platforms.