Harold Winston Beckett (30 May 1935[1] – 22 July 2010) was a British trumpeter and flugelhorn player of Barbadian origin.

Born in Bridgetown, Saint Michael, Barbados, Harry Beckett learned to play music in a Salvation Army band.

[3][4] In the 1960s, he worked and recorded within the band of bass player and composer Graham Collier,[3] retaining the connection over a 16-year period.

Beckett was a key figure of important groups in the British free jazz/improvised music scene, including Ian Carr's Nucleus, the Brotherhood of Breath and The Dedication Orchestra, London Jazz Composers Orchestra, London Improvisers Orchestra, John Surman's Octet, Django Bates, Ronnie Scott's Quintet, Kathy Stobart, Charlie Watts, Stan Tracey's Big Band and Octet; Elton Dean's Ninesense.

He toured abroad with Johnny Dyani, Chris McGregor, Keith Tippett, John Tchicai, Joachim Kühn, Dudu Pukwana's Zila, George Gruntz's Bands, Belgian quintet The Wrong Object, Pierre Dørge's New Jungle Band and Annie Whitehead's Robert Wyatt project, Soupsongs, which also featured Phil Manzanera and Julie Tippetts, among other jazz and rock luminaries.