Sir William Calvert (3 May 1761) was a British politician.
Educated at Emmanuel College, Cambridge, he was a Member of Parliament (MP) for the City of London in 1742âÂÂ1754, Sheriff of the City of London in 1743, Lord Mayor of London in 1748âÂÂ1749 and an MP for Old Sarum in 1755âÂÂ1761.