This is an incomplete list of statutory instruments of the United Kingdom in 1964.
- Prison Rules 1964 (SI 1964/388)
- Road Vehicles (Index Marks) Regulations 1964 (SI 1964/404)
- Benefit Regulations 1964 (SI 1964/504)
- Sheffield Water Order 1964 (SI 1964/670)
- Offices, Shops and Railway Premises Act 1963 (Exemption No. 1) Order 1964 (SI 1964/964)
- Washing Facilities Regulations 1964 (SI 1964/965)
- Sanitary Conveniences Regulations 1964 (SI 1964/966)
- Examination of Steam Boiler Reports (No 1) Order 1964 (SI 1964/1070)
- Industrial Training (Construction Board) Order 1964 (SI 1964/1079)
- Industrial Training (Engineering Board) Order 1964 (SI 1964/1086)
- Artificial Insemination of Pigs (Scotland) Regulations 1964 (SI 1964/1171)
- Artificial Insemination of Pigs (England and Wales) Regulations 1964 (SI 1964/1172)
- Television Act 1964 (Channel Islands) Order 1964 (SI 1964/1202)
- Act of Adjournal (Rules for Legal Aid in Criminal Proceedings) 1964 (SI 1964/1409)
- Act of Adjournal (Criminal Legal Aid Fees) 1964 (SI 1964/1410)
- Legal Aid (Scotland) (Expenses of Successful Unassisted Parties) Regulations 1964 (SI 1964/1513)
- Plant Varieties and Seeds (Northern Ireland) Order 1964 (SI 1964/1574)
- Fishing Boats (France) Designation Order 1964 (SI 1964/1598)
- Act of Sederunt (Legal Aid Rules) 1964 (SI 1964/1622)
- South Lincolnshire Water Board Order 1964 (SI 1964/1746)
- Barnsley Corporation (Reduction of Compensation Water) Order 1964 (SI 1964/1866)
- Diplomatic Privileges (Citizens of the United Kingdom and Colonies) Order 1964 (SI 1964/2043)
- War Pensions (Mercantile Marine) Scheme 1964 (SI 1964/2058)