William Smethergell

William Smethergell (6 January 1751 - before March 1836) was an English composer and musician who lived and worked in London. Christened in the church of St Peter le Poer, after an apprenticeship of seven years (with the organist and composer Thomas Curtis), He was also the principal viola player at the Vauxhall Pleasure Gardens.

His surviving works include two published sets of overture-symphonies (Op. 2 and Op. 5), six harpsichord sonatas, seven keyboard concertos and a number of works for smaller forces. Both sets have been recorded by Douglas Bostock with the Südwestdeutsches Kammerorchester Pforzheim.