Bayning is a surname. Notable people with the surname include:

Baron Bayning, of Foxley in the County of Berkshire, a title in the Peerage of Great Britain Charles Powlett, 2nd Baron Bayning (1785–1823), British peer and Tory Member of Parliament Charles Townshend, 1st Baron Bayning PC (1728–1810), British politician Henry Powlett, 3rd Baron Bayning (1797–1866), British peer and clergyman Viscount Bayning, of Sudbury, was a title created for the 1st Baron Bayning on 8 March 1628 Viscountess Bayning, of Foxley, was a title in the Peerage of England Paul Bayning (disambiguation), multiple people