This is an incomplete list of statutory instruments of the United Kingdom in 1981.
1–100
edit- County of Lancashire (Electoral Arrangements) Order 1981 (SI 1981/43)
- County of Northamptonshire (Electoral Arrangements) Order 1981 (SI 1981/49)
- County of Hampshire (Electoral Arrangements) Order 1981 (SI 1981/51)
- Bearsden and Milngavie District (Electoral Arrangements) Order 1981 (SI 1981/68)
- County of Cumbria (Electoral Arrangements) Order 1981 (SI 1981/79)
- County of Kent (Electoral Arrangements) Order 1981 (SI 981/85)
101–200
edit- The Gwent and Mid Glamorgan (Areas) Order 1981 S.I. 1981/113
- The County of Warwickshire (Electoral Arrangements) Order 1981 S.I. 1981/118
- The Sullom Voe Harbour Revision Order 1980 S.I. 1981/125 ??
- The County of Avon (Electoral Arrangements) Order 1981 S.I. 1981/131
- The North Kesteven (Parishes) Order 1981 S.I. 1981/134
- Food Labelling (Scotland) Regulations 1981 S.I. 1981/137
- The County of Essex (Electoral Arrangements) Order 1981 S.I. 1981/141
- The Preseli and South Pembrokeshire (Areas) Order 1981 S.I. 1981/145
- The Carmarthen and South Pembrokeshire (Areas) Order 1981 S.I. 1981/146
- The Sedgemoor (Parishes) Order 1981 S.I. 1981/148
- Road Traffic (Northern Ireland) Order 1981 S.I. 1981/154 (N.I. 1)
- Firearms (Northern Ireland) Order 1981 S.I. 1981/155 (N.I. 2)
- Housing (Northern Ireland) Order 1981 S.I. 1981/156 (N.I. 3)
- Clean Air (Northern Ireland) Order 1981 S.I. 1981/158 (N.I. 4)
- Leasehold (Enlargement and Extension) Amendment (Northern Ireland) Order 1981 S.I. 1981/159 (N.I. 5)
- The County of Wiltshire (Electoral Arrangements) Order 1981 S.I. 1981/165
- The County of Humberside (Electoral Arrangements) Order 1981 S.I. 1981/167
- The Afan (Communities) Order 1981 S.I. 1981/182
- The Oswestry (Parishes) Order 1981 S.I. 1981/186
- The County of Durham (Electoral Arrangements) Order 1981 S.I. 1981/190
201–300
edit- Judgments Enforcement (Northern Ireland) Order 1981 S.I. 1981/226 (N.I. 6)
- Fisheries Amendment (Northern Ireland) Order 1981 S.I. 1981/227 (N.I. 7)
- Legal Aid, Advice and Assistance (Northern Ireland) Order 1981 S.I. 1981/228 (N.I. 8)
- Weights and Measures (Northern Ireland) Order 1981 S.I. 1981/231 (N.I. 10)
- The Hart (Parishes) Order 1981 S.I. 1981/268
- The City of Manchester (Electoral Arrangements) Order 1981 S.I. 1981/284
- The Colchester (Parishes) Order 1981 S.I. 1981/286
- The Macclesfield (Parishes) Order 1981 S.I. 1981/287
- The Tendring (Parishes) Order 1981 S.I. 1981/288
301–400
edit- Merchant Shipping (Seamen's Documents) (Amendment) Regulations 1981 S.I. 1981/313
- Seeds (National Lists of Varieties) (Fees) (Amendment) Regulations 1981 S.I. 1981/342
- Merchant Shipping (Light Dues) Regulations 1981 S.I. 1981/354
- Town and Country Planning (Fees for Applications and Deemed Applications) Regulations 1981 S.I. 1981/369
- Act of Adjournal (Rules for Legal Aid in Criminal Proceedings Amendment) 1981 S.I. 1981/387
- Act of Adjournal (Criminal Legal Aid Fees Amendment) 1981 S.I. 1981/388
- Diving Operations at Work Regulations 1981 S.I. 1981/399
401–500
edit- Agricultural Trust (Abolition) (Northern Ireland) Order 1981 S.I. 1981/435 (N.I. 11)
- Local Government, Planning and Land (Northern Ireland) Order 1981 S.I. 1981/437 (N.I. 13)
- Carriage by Air Acts (Application of Provisions) (Third Amendment) Order 1981 S.I. 1981/440
- The Dwyfor (Communities) Order 1981 S.I. 1981/453
- The East Kilbride District (Electoral Arrangements) Order 1981 S.I. 1981/489
501–600
edit- National Health Service (Charges for Drugs and Appliances) Amendment Regulations 1981 S.I. 1981/501
- Magistrates' Courts Rules 1981 S.I. 1981/552
- The Renfrew District (Electoral Arrangements) Order 1981 S.I. 1981/554
- Merchant Shipping (Automatic Pilot and Testing of Steering Gear) Regulations 1981 S.I. 1981/571
- Merchant Shipping (Cargo Ship Construction and Survey) Regulations 1981 S.I. 1981/572
- Merchant Shipping (Cargo Ship Safety Equipment Survey) Regulations 1981 S.I. 1981/573
- Merchant Shipping (Radio Installations Surveys) Regulations 1981 S.I. 1981/583
601–700
edit- Enterprise Zones (Northern Ireland) Order 1981 S.I. 1981/607 (N.I. 15)
- Planning Blight (Compensation) (Northern Ireland) Order 1981 S.I. 1981/608 (N.I. 16)
- The City of Glasgow District (Electoral Arrangements) Order 1981 S.I. 1981/620
- The Borough of Afan (Electoral Arrangements) Order 1981 S.I. 1981/667
- Diseases of Animals (Protein Processing) Order 1981 S.I. 1981/676
701–800
edit- The Hamilton District (Electoral Arrangements) Order 1981 S.I. 1981/773
801–900
edit- Supplementary Benefit (Miscellaneous Amendments) Regulations 1981 S.I. 1981/815
- Town and Country Planning (General Development) (Scotland) Order 1981 S.I. 1981/830
- The Employment (Miscellaneous Provisions) (Northern Ireland) Order 1981 S.I. 1981/839 (N.I. 20)
- The Kyle and Carrick District (Electoral Arrangements) Order 1981 S.I. 1981/846
- Traffic Signs Regulations 1981 S.I. 1981/859
901–1000
edit- Road Traffic Accidents (Payments for Emergency Treatment) (England and Wales) Order 1981 S.I. 1981/929
- Motor Vehicles (Driving Licences) Regulations 1981 S.I. 1981/952
- Road Traffic Accidents (Payments for Treatment) (Scotland) Order 1981 S.I. 1981/976
1001–1100
edit- Teachers Colleges of Education (Scotland) Regulations 1981 S.I. 1981/1017
- Fresh Meat Export (Hygiene and Inspection) (Scotland) Regulations 1981 S.I. 1981/1034
- Industrial Training (Transfer of the Activities of Establishments) Order 1981 S.I. 1981/1041
- Dangerous Substances (Conveyance by Road in Road Tankers and Tank Containers) Regulations 1981 S.I. 1981/1059
- The Elm, March and Outwell (Areas) Order 1981 S.I. 1981/1074
- The Parish of Whittlesey Order 1981 S.I. 1981/1075
- Education (Schools and Further Education) Regulations 1981 S.I. 1981/1086
- Merchant Shipping (Submersible Craft Construction and Survey) Regulations 1981 S.I. 1981/1098
1101–1200
edit- Diseases of Animals (Northern Ireland) Order 1981 S.I. 1981/1115
- Road Traffic (Car-Sharing Arrangements) (Northern Ireland) Order 1981 S.I. 1981/1117
- Double Taxation Relief (Taxes on Income) (Mauritius) Order 1981 S.I. 1981/1121
- Air Navigation (Restriction of Flying) (Scottish Highlands) Regulations 1981 S.I. 1981/1171
1201–1300
edit- Pensions Increase (Review) Order 1981 S.I. 1981/1217
1301–1400
edit- The Humberston and New Waltham (Areas) Order 1981 S.I. 1981/1326
- The Cheddar and Wedmore (Areas) Order 1981 S.I. 1981/1343
- The Eastleigh (Parishes) Order 1981 S.I. 1981/1348
- The Wansdyke (Parishes) Order 1981 S.I. 1981/1349
1401–1500
edit- Act of Adjournal (Rules for Legal Aid in Criminal Proceedings Amendment No. 2) 1981 S.I. 1981/1443
- The Congleton (Parishes) Order 1981 S.I. 1981/1452
- The West Lindsey (Parishes) Order 1981 S.I. 1981/1453
- Merchant Shipping (Passenger Ship Classification) Regulations 1981 S.I. 1981/1472
- The Cumnock and Doon Valley District (Electoral Arrangements) Order 1981 S.I. 1981/1490
1501–1600
edit- Supplementary Benefit (Aggregation) Regulations 1981 S.I. 1981/1524
- Supplementary Benefit (Claims and Payments) Regulations 1981 S.I. 1981/1525
- Supplementary Benefit (Conditions of Entitlement) Regulations 1981 S.I. 1981/1526
- Supplementary Benefit (Resources) Regulations 1981 S.I. 1981/1527
- Supplementary Benefit (Single Payments) Regulations 1981 S.I. 1981/1528
- Supplementary Benefit (Urgent Cases) Regulations 1981 S.I. 1981/1529
- Protected Shorthold Tenancies (Rent Registration) Order 1981 S.I. 1981/1578
- Protected Shorthold Tenancies (Notice to Tenant) Regulations 1981 S.I. 1981/1579
- Supreme Court Funds (Amendment) Rules 1981 S.I. 1981/1589
- The Inverclyde District (Electoral Arrangements) Order 1981 S.I. 1981/1595
- The South Norfolk (Parishes) Order 1981 S.I. 1981/1597
1601–1700
edit- The Braintree (Parishes) Order 1981 S.I. 1981/1628
- The East Hampshire (Parishes) Order 1981 S.I. 1981/1629
- The Greater Manchester and Lancashire (Areas) Order 1981 S.I. 1981/1649
- The Langbaurgh (Parishes) Order 1981 S.I. 1981/1667
- Transfer of Functions (Minister for the Civil Service and Treasury) Order 1981 S.I. 1981/1670
- Magistrates' Courts (Northern Ireland) Order 1981 S.I. 1981/1675 (N.I. 26)
- The Aylesbury Vale (Parishes) Order 1981 S.I. 1981/1682
- County Court Rules 1981 S.I. 1981/1687
- The Greater London and Buckinghamshire (Areas) Order 1981 S.I. 1981/1696
1701–1800
edit- Farm and Horticulture Development Regulations 1981 S.I. 1981/1707
- The Parish of Finedon Order 1981 S.I. 1981/1715
- Merchant Shipping (Means of Access) Regulations 1981 S.I. 1981/1729
- The Cynon Valley (Communities) Order 1981 S.I. 1981/1738
- Value Added Tax (Special Provisions) Order 1981 S.I. 1981/1741
- Merchant Shipping (Dangerous Goods) Regulations 1981 S.I. 1981/1747
- The County of Devon (Electoral Arrangements) Order 1981 S.I. 1981/1748
- County Courts Appeals Order 1981 S.I. 1981/1749
- The Sefton (Parishes) Order 1981 S.I. 1981/1773
- The Mid Suffolk (Parishes) Order 1981 S.I. 1981/1774
- Transfer of Undertakings (Protection of Employment) Regulations 1981 S.I. 1981/1794
1801–1900
edit- Measuring Instruments (EEC Pattern Approval Requirements) (Fees) (No. 2) Regulations 1981 S.I. 1981/1825
- The Craven (Parishes) Order 1981 S.I. 1981/1827
- The Mole Valley (Parishes) Order 1981 S.I. 1981/1844
- The Fife Region (Electoral Arrangements) (Amendment) Order 1981 S.I. 1981/1866