Elections to Preston Municipal Borough council were held in late 1946. 
 Results
              (1945 ←)    1946 United Kingdom local elections    (→ 1947)  | 
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County councils (England) |  - Bedfordshire
  - Berkshire
  - Buckinghamshire
  - Cambridgeshire
  - Cheshire
  - Cornwall
  - Cumberland
  - Derbyshire
  - Devon
  - Dorset
  - Durham
  - East Riding
  - East Suffolk
  - East Sussex
  - Essex
  - Gloucestershire
  - Hampshire
  - Herefordshire
  - Hertfordshire
  - Holland
  - Huntingdonshire
  - Isle of Ely
  - Isle of Wight
  - Kent
  - Kesteven
  - Lancashire
  - Leicestershire
  - Lindsey
  - London
  - Middlesex
  - Norfolk
  - North Riding
  - Northamptonshire
  - Northumberland
  - Nottinghamshire
  - Oxfordshire
  - Rutland
  - Shropshire
  - Soke of Peterborough
  - Somerset
  - Staffordshire
  - Surrey
  - Warwickshire
  - West Riding
  - West Suffolk
  - West Sussex
  - Westmorland
  - Wiltshire
  - Worcestershire
     | 
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County councils (Wales) |  | 
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| Municipal borough councils |  | 
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| Northern Irish councils |  | 
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