| Magisterial Districts Act 1886 | 1886 (50 Vict. No. 17) |  Official Version |  Word |  HTML | |
| Magistrates Court Act 2004 | 047 of 2004 | Official Version | Word | HTML | |
| Magistrates Court (Civil Proceedings) Act 2004 | 048 of 2004 | Official Version | Word | HTML | |
| Main Roads Act 1930 | 005 of 1930 (21 Geo. V No. 5) | Official Version | Word | HTML | |
| Major Events Act 2023 | 012 of 2023 | Official Version | Word | HTML | |
| Major Events (Aerial Advertising) Act 2009 | 020 of 2009 | Official Version | Word | HTML | |
| Mandatory Testing (Infectious Diseases) Act 2014 | 026 of 2014 | Official Version | Word | HTML | |
| Mandurah Church Burial Ground Act 1947 | 085 of 1947 (11 & 12 Geo. VI No. 85) | Official Version | Word | HTML | |
| Mangles Bay Railway Act 1968 | 040 of 1968 | Official Version | Word | HTML | |
| Manjimup Canned Fruits and Vegetables Industry Agreement Act 1969 | 086 of 1969 | Official Version | Word | HTML | |
| Margarine Act 1940 | 036 of 1940 (4 & 5 Geo. VI No. 36) | Official Version | Word | HTML | |
| Marine and Harbours Act 1981 | 021 of 1981 | Official Version | Word | HTML | |
| Marine Navigational Aids Act 1973 | 027 of 1973 | Official Version | Word | HTML | |
| Marine Safety (Domestic Commercial Vessel National Law Application) Act 2023 | 024 of 2023 | Official Version | Word | HTML | |
| Marine Stores Act 1902 | 1902 (2 Edw. VII No. 9) | Official Version | Word | HTML | |
| Maritime Archaeology Act 1973 | 066 of 1973 | Official Version | Word | HTML | |
| Maritime Fees and Charges (Taxing) Act 1999 | 006 of 1999 | Official Version | Word | HTML | |
| Marketable Securities Transfer Act 1970 | 086 of 1970 | Official Version | Word | HTML | |
| Marketing of Barley Act 1946 | 017 of 1946 (10 Geo. VI No. 17) | Official Version | Word | HTML | |
| Marketing of Eggs Act 1945 | 058 of 1945 (9 & 10 Geo. VI No. 58) | Official Version | Word | HTML | |
| Marketing of Meat Act 1971 | 061 of 1971 | Official Version | Word | HTML | |
| Marketing of Onions Act 1938 | 052 of 1938 (2 & 3 Geo. VI No. 52) | Official Version | Word | HTML | |
| Marketing of Potatoes Act 1946 | 026 of 1946 (10 & 11 Geo. VI No. 26) | Official Version | Word | HTML | |
| Marriage Act 1835 (Imp) | 1835 (5 & 6 Will. IV c. 54) | Official Version | Word | HTML | |
| Marriage Act 1894 | 1894 (58 Vict. No. 11) | Official Version | Word | HTML | |
| Married Persons and Children (Summary Relief) Act 1965 | 109 of 1965 | Official Version | Word | HTML | |
| Married Women's Property Act 1892 | 1892 (55 Vict. No. 20) | Official Version | Word | HTML | |
| Married Women's Protection Act 1922 | 028 of 1922 (13 Geo. V No. 10) | Official Version | Word | HTML | |
| Masters and Servants Act 1892 | 1892 (55 Vict. No. 28) | Official Version | Word | HTML | |
| Matrimonial Causes and Personal Status Code 1948 | 073 of 1948 (12 & 13 Geo. VI No. 73) | Official Version | Word | HTML | |
| Matrimonial Causes Ordinance 1863 | 1863 (27 Vict. No. 19) | Official Version | Word | HTML | |
| McNess Housing Trust Act 1930 | 036 of 1930 (21 Geo. V No. 36) | Official Version | Word | HTML | |
| Medical Act 1894 | 1894 (58 Vict. No. 36) | Official Version | Word | HTML | |
| Medical Practitioners Act 2008 | 022 of 2008 | Official Version | Word | HTML | |
| Medical Radiation Technologists Act 2006 | 021 of 2006 | Official Version | Word | HTML | |
| Medicines and Poisons Act 2014 | 013 of 2014 | Official Version | Word | HTML | |
| Medicines and Poisons (Validation) Act 2022 | 046 of 2022 | Official Version | Word | HTML | |
| Members of Parliament (Financial Interests) Act 1992 | 044 of 1992 | Official Version | Word | HTML | |
| Members of Parliament, (Legislative Council) Retirement Act 1964 | 081 of 1964 (13 Eliz. II No. 81) | Official Version | Word | HTML | |
| Mental Health Act 1962 | 046 of 1962 (11 Eliz. II No. 46) | Official Version | Word | HTML | |
| Mental Health Act 1996 | 068 of 1996 | Official Version | Word | HTML | |
| Mental Health Act 2014 | 024 of 2014 | Official Version | Word | HTML | |
| Mental Health (Consequential Provisions) Act 1996 | 069 of 1996 | Official Version | Word | HTML | |
| Mercantile Law Amendment Act 1856 (Imp) | 1856 (19 & 20 Vict. c. 97) | Official Version | Word | HTML | |
| Metric Conversion Act 1972 | 094 of 1972 | Official Version | Word | HTML | |
| Metropolitan Arterial Drainage Act 1982 | 036 of 1982 | Official Version | Word | HTML | |
| Metropolitan Market Act 1926 | 055 of 1926 (17 Geo. V No. 55) | Official Version | Word | HTML | |
| Metropolitan Milk Act 1932 | 049 of 1932 (23 Geo. V No. 49) | Official Version | Word | HTML | |
| Metropolitan (Perth) Passenger Transport Trust Act 1957 | 071 of 1957 (6 Eliz. II No. 71) | Official Version | Word | HTML | |
| Metropolitan Redevelopment Authority Act 2011 | 045 of 2011 | Official Version | Word | HTML | |
| Metropolitan Region Improvement Tax Act 1959 | 069 of 1959 (8 Eliz. II No. 69) | Official Version | Word | HTML | |
| Metropolitan Region Scheme (Beeliar Wetlands) Act 2021 | 008 of 2021 | Official Version | Word | HTML | |
| Metropolitan Region Scheme (Fremantle) Act 1994 | 044 of 1994 | Official Version | Word | HTML | |
| Metropolitan Region Town Planning Scheme Act 1959 | 078 of 1959 (8 Eliz. II No. 78) | Official Version | Word | HTML | |
| Metropolitan Water Authority Act 1982 | 036 of 1982 | Official Version | Word | HTML | |
| Metropolitan Water Supply, Sewerage, and Drainage Act 1909 | 043 of 1909 (9 Edw. VII No. 39) | Official Version | Word | HTML | |
| Metropolitan Water Supply, Sewerage, and Drainage Board (Validation) Act 1977 | 032 of 1977 | Official Version | Word | HTML | |
| Metropolitan Whole Milk Act 1932 | 049 of 1932 (23 Geo. V No. 49) | Official Version | Word | HTML | |
| Midland Junction-Welshpool Railway Act 1957 | 062 of 1957 (6 Eliz. II No. 62) | Official Version | Word | HTML | |
| Midland Railway Act 1919 | 024 of 1919 (10 Geo. V No. 12) | Official Version | Word | HTML | |
| Midland Redevelopment Act 1999 | 038 of 1999 | Official Version | Word | HTML | |
| Milk Act 1946 | 027 of 1946 (10 & 11 Geo. VI No. 27) | Official Version | Word | HTML | |
| Millstream Station Acquisition Act 1982 | 065 of 1982 | Official Version | Word | HTML | |
| Mine Workers' Relief Act 1932 | 037 of 1932 (23 Geo. V No. 37) | Official Version | Word | HTML | |
| Mine Workers' Relief (Payments Authorisation) Act 1940 | 005 of 1940 (4 Geo. VI No. 5) | Official Version | Word | HTML | |
| Mine Workers' Relief (War Service) Act 1940 | 004 of 1940 (4 Geo. VI No. 4) | Official Version | Word | HTML | |
| Mineral Sands (Allied Eneabba) Agreement Act 1975 | 054 of 1975 | Official Version | Word | HTML | |
| Mineral Sands (Beenup) Agreement Act 1995 | 017 of 1995 | Official Version | Word | HTML | |
| Mineral Sands (Cooljarloo) Mining and Processing Agreement Act 1988 | 068 of 1988 | Official Version | Word | HTML | |
| Mineral Sands (Eneabba) Agreement Act 1975 | 054 of 1975 | Official Version | Word | HTML | |
| Minerals and Energy Research Act 1987 | 089 of 1987 | Official Version | Word | HTML | |
| Minerals Research Institute of Western Australia Act 2013 | 023 of 2013 | Official Version | Word | HTML | |
| Miner's Phthisis Act 1922 | 016 of 1923 (13 Geo. V No. 39) | Official Version | Word | HTML | |
| Mines Regulation Act 1906 | 036 of 1906 (6 Edw. VII No. 36) | Official Version | Word | HTML | |
| Mines Regulation Act 1946 | 054 of 1946 (10 & 11 Geo. VI No. 54) | Official Version | Word | HTML | |
| Mines Safety and Inspection Act 1994 | 062 of 1994 | Official Version | Word | HTML | |
| Minimum Conditions of Employment Act 1993 | 014 of 1993 | Official Version | Word | HTML | |
| Mining Act 1904 | 015 of 1904 (3 Edw. VII No. 30) | Official Version | Word | HTML | |
| Mining Act 1978 | 107 of 1978 | Official Version | Word | HTML | |
| Mining Development Act 1902 | 1902 (2 Edw. VII No. 20) | Official Version | Word | HTML | |
| Mining On Private Property Act 1898 | 1898 (62 Vict. No. 29) | Official Version | Word | HTML | |
| Mining Rehabilitation Fund Act 2012 | 033 of 2012 | Official Version | Word | HTML | |
| Mining Tenements (War Time Exemptions) Act 1942 | 004 of 1942 (6 Geo. VI No. 4) | Official Version | Word | HTML | |
| Mining (Validation and Amendment) Act 1986 | 001 of 1986 | Official Version | Word | HTML | |
| Ministers of the Crown (Statutory Designations) and Acts Amendment Act 1974 | 027 of 1974 | Official Version | Word | HTML | |
| Ministers' Titles Act 1925 | 008 of 1925 (16 Geo. V No. 8) | Official Version | Word | HTML | |
| Miscellaneous Regulations (Validation) Act 1985 | 023 of 1985 | Official Version | Word | HTML | |
| Misuse of Drugs Act 1981 | 066 of 1981 | Official Version | Word | HTML | |
| Money Lenders Act 1912 | 065 of 1912 (3 Geo. V No. 46) | Official Version | Word | HTML | |
| Monopolies and Restrictive Trade Practices Control Act 1956 | 030 of 1956 (5 Eliz. II No. 30) | Official Version | Word | HTML | |
| Morawa-Koolanooka Hills Railway Act 1964 | 044 of 1964 (13 Eliz. II No. 44) | Official Version | Word | HTML | |
| Morley Shopping Centre Redevelopment Agreement Act 1992 | 061 of 1992 | Official Version | Word | HTML | |
| Motor Vehicle (Catastrophic Injuries) Act 2016 | 008 of 2016 | Official Version | Word | HTML | |
| Motor Vehicle Dealers Act 1973 | 101 of 1973 | Official Version | Word | HTML | |
| Motor Vehicle Drivers Instructors Act 1963 | 010 of 1963 (12 Eliz. II No. 10) | Official Version | Word | HTML | |
| Motor Vehicle Repairers Act 2003 | 068 of 2003 | Official Version | Word | HTML | |
| Motor Vehicle (Third Party Insurance) Act 1943 | 032 of 1943 (7 Geo. VI No. 27) | Official Version | Word | HTML | |
| Motor Vehicle (Third Party Insurance Surcharge) Act 1962 | 056 of 1962 (11 Eliz. II No. 56) | Official Version | Word | HTML | |
| Mount Yokine Land Acquisition Act 1960 | 072 of 1960 (9 Eliz. II No. 72) | Official Version | Word | HTML | |
| Muja-Centaur Coal Mine Railway Act 1951 | 009 of 1951 (15 Geo. VI No. 9) | Official Version | Word | HTML | |
| Multicultural and Ethnic Affairs Commission Act 1983 | 082 of 1983 | Official Version | Word | HTML | |
| Municipal Corporations Act 1906 | 032 of 1906 (6 Edw. VII No. 32) | Official Version | Word | HTML | |
| Municipality of Fremantle Act 1925 | 019 of 1925 (16 Geo. V No. 19) | Official Version | Word | HTML | |
| Murdoch University Act 1973 | 020 of 1973 | Official Version | Word | HTML | |
| Murdoch University Planning Board Act 1970 | 071 of 1970 | Official Version | Word | HTML | |
| Museum Act 1969 | 090 of 1969 | Official Version | Word | HTML | |
| Mutual Recognition (Western Australia) Act 1995 | 053 of 1995 | Official Version | Word | HTML | |
| Mutual Recognition (Western Australia) Act 2001 | 006 of 2001 | Official Version | Word | HTML | |
| Mutual Recognition (Western Australia) Act 2010 | 052 of 2010 | Official Version | Word | HTML | |
| Mutual Recognition (Western Australia) Act 2020 | 044 of 2020 | Official Version | Word | HTML | |
