Tamworth by-election may refer to one of the following by-elections:
Australia 2001 Tamworth state by-election
United Kingdom 1871 Tamworth by-election, following the elevation to the peerage of Henry Bulwer 1872 Tamworth by-election, following the death of John Peel 1878 Tamworth by-election, following the resignation of Robert William Hanbury 1909 Tamworth by-election, following the death of Sir Philip Muntz 1917 Tamworth by-election, following the appointment of Francis Newdegate as Governor of Tasmania 1922 Tamworth by-election, following the death of Henry Wilson-Fox 1929 Tamworth by-election, following the resignation of Sir Edward Iliffe 1935 Tamworth by-election, following the death of Sir Arthur Steel-Maitland 2023 Tamworth by-election, following the resignation of Chris Pincher
See also 1996 South East Staffordshire by-election in a constituency that included Tamworth, UK