John Jenkins (1592–1678), English composer, was born in Maidstone, Kent, and died at Kimberley, Norfolk.
Little is known of his early life. The son of Henry Jenkins, a carpenter who occasionally made musical instruments, he may have been the "Jack Jenkins" employed in the household of Anne Russell, Countess of Warwick in 1603. The first positive historical record of Jenkins is amongst the musicians who performed the masque The Triumph of Peace in 1634 at the court of King Charles I. Jenkins was considered a virtuoso on the lyra viol. King Charles I of England commented that Jenkins did "wonders on an inconsiderable instrument."
When the English Civil War broke out in 1642 it forced Jenkins, like many others, to migrate to the rural countryside. During the 1640s he was employed as music-master to two Royalist families, the Derhams at West Dereham and Hamon le Strange of Hunstanton. He was also a friend of the composer William Lawes (1602–1645), who was shot and died in battle at the siege of Chester.
Around 1640 Jenkins revived the In Nomine, an archaic form for a consort of viols, based upon a traditional plainsong theme. He wrote a notable piece of programme music consisting of a pavane and galliard depicting the clash of opposing sides, the mourning for the dead and the celebration of victory after the siege of Newark (1646).
In the 1650s Jenkins became resident music-master of Lord Dudley North in Cambridgeshire, whose son Roger wrote his biography. It was in these years, during the Commonwealth under Oliver Cromwell, in the absence of much competition or organised music-making, that Jenkins took the occasion to write more than 70 suites for amateur household players.