Robert Joseph Forder (14 October, 1844 - 14 August, 1901) was an English freethinker, radical, publisher and bookseller and birth controller. He was particularly associated with the career of Charles Bradlaugh and the National Secular Society. As secretary of the NSS Forder was closely involved with Bradlaugh's successful campaigns to publish birth control literature at a price all could afford and from 1880-1886 to enter the House of Commons as an MP for Northampton when initially barred due to his atheism.