James Clemens (fl. 1750âÂÂ1775) was a Liverpool, England merchant and shipowner, and Lord Mayor of Liverpool.
Clemens made three voyages to Angola in the 1750s, in addition to other slave runs, in 1767, he sent the Ranger, under William Speers, to acquire slaves in Angola and transport them to Barbados. Also, in 1767, he became a member of the Liverpool town council, and was, from 1775 to 1776, the Lord Mayor. While serving as Lord Mayor, he presented St Pauls, Stoneycroft with a two cwt (104 kg) bell.