James Simpson JP (9 July 1812 – 2 September 1859) was a Bible Christian deacon and activist for a number of causes.

[6] He also received a private education in London and Berlin, intended to pursue a career in law.

[2] Actively engaged in public life, Simpson supported diverse social and political reforms.

A member of the Anti-Corn Law League, he was also involved in the temperance movement during a time when such a choice was uncommon.

[8] Embracing the tenets of the Bible Christian Church and influenced by Swedenborg, Simpson maintained a lifelong commitment to vegetarianism, instilled by his mother.

[6] His father-in-law was William Harvey, who was Mayor of Salford from 1857 to 1859 and a prominent Bible Christian.