Sir James Cambell or Campbell (1570 – 5 January 1642) was an English merchant who was Lord Mayor of London in 1630. Cambell was the son of Sir Thomas Campbell, Alderman of the City of London, and his wife Alice Bright, daughter of Edward Bright of London. He was a grandson of Robert Campbell of Foulsham, Norfolk. Sir Thomas died in 1642. According to his will, he left almost £50,000 to a large number of legacies to relatives, friends, London hospitals, a free school at Barking in Essex, the Ironmongers' Company, and for the ransom of poor captives from Turkish slavery.