| 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 | |
| Marine and Harbours Act 1981 | 021 of 1981 | Official Version | Word | HTML | |
| Marine Navigational Aids Act 1973 | 027 of 1973 | 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 | |
| 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 | |
| Mental Health Act 2014 | 024 of 2014 | 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 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 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 | |
| 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 Research Institute of Western Australia Act 2013 | 023 of 2013 | 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 1978 | 107 of 1978 | 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 (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 | |
| Misuse of Drugs Act 1981 | 066 of 1981 | 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 | |
| Muja-Centaur Coal Mine Railway Act 1951 | 009 of 1951 (15 Geo. VI No. 9) | Official Version | Word | HTML | |
| Murdoch University Act 1973 | 020 of 1973 | Official Version | Word | HTML | |
| Museum Act 1969 | 090 of 1969 | Official Version | Word | HTML | |
| Mutual Recognition (Western Australia) Act 2020 | 044 of 2020 | Official Version | Word | HTML | |
