Harry Edward Styles (born 1 February 1994) is an English singer. Styles is known for his influence in popular culture, showmanship, artistry, and philanthropy. He is regarded as one of the most influential men in fashion and a subject of widespread public interest with a vast fanbase. He is considered to be among the most successful solo artists who have emerged from a band.

His musical career began in 2010 as part of One Direction, a boy band formed on the British music competition series The X Factor after each member of the band had been eliminated from the solo contest. They became one of the best-selling boy bands of all time before going on an indefinite hiatus in 2016.

Styles released his self-titled debut solo album through Erskine and Columbia Records in 2017. It debuted at number one in the UK and the US and was one of the world's top-ten best-selling albums of the year, while its lead single, "Sign of the Times", topped the UK Singles Chart. Styles' second album, Fine Line (2019), debuted atop the US Billboard 200 with the biggest ever first-week sales by an English male artist, and Rolling Stone included it in their 2020 revision of the 500 Greatest Albums of All Time. Its fourth single, "Watermelon Sugar", topped the US Billboard Hot 100. Styles' widely acclaimed third album, Harry's House (2022), broke several records, receiving the Grammy Award for Album of the Year in 2023, and was included in the 2023 revision of Rolling Stone's 500 Greatest Albums of All Time. Its lead single, "As It Was", became the number-one song of 2022 globally, according to Billboard.

Styles has received various accolades, including six Brit Awards, three Grammy Awards, two Ivor Novello Awards, three American Music Awards, and three MTV Video Music Awards. His film roles include Dunkirk (2017), Don't Worry Darling (2022), and My Policeman (2022). Aside from music and acting, Styles is known for his flamboyant fashion. He is the first man to appear solo on the cover of Vogue.