William Dowsing (1596–1668) was an
English iconoclast who operated at the time of the
English Civil War. Dowsing was a
puritan soldier who was born in
Laxfield,
Suffolk. He was provost-marshal of the armies of the Eastern Association (Cambridgeshire, Essex, Suffolk, Norfolk, Hertfordshire, Huntingdonshire, and Lincolnshire), responsible for supplies and administration.