Peter Sterry (1613 – 19 November 1672) was an English independent theologian, associated with the Cambridge Platonists prominent during the English Civil War era. He was chaplain to Parliamentarian general Robert Greville, 2nd Baron Brooke and then Oliver Cromwell, a member of the Westminster Assembly, and a leading radical Puritan preacher attached to the English Council of State. He was made fun of in Hudibras.