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| Rank | Margin | Date | Team | Score | Opponent | Score | Venue |
|---|---|---|---|---|---|---|---|
| 1 | 178 | Sat 20-Jun-1959 | Western Australia | 3.11 (29) | Victoria | 31.21 (207) | Melbourne Cricket Ground |
| 2 | 119 | Sat 26-May-2007 | Western Australia | 5.12 (42) | Victoria | 25.11 (161) | North Port Oval, Melbourne |
| 3 | 116 | Sat 12-Jun-1982 | Western Australia | 12.9 (81) | South Australia | 29.23 (197) | Football Park, Adelaide |
| 4 | 112 | Sat 20-Jun-1964 | Western Australia | 7.11 (53) | Victoria | 24.21 (165) | Melbourne Cricket Ground |
| 5 | 102 | Sat 16-Jun-1962 | Western Australia | 9.9 (63) | Victoria | 26.9 (165) | Melbourne Cricket Ground |
| 6 | 100 | Sat 10-Jun-1978 | Western Australia | 8.15 (63) | Victoria | 25.13 (163) | VFL Park |
| 7 | 88 | Sat 02-Jun-1973 | Western Australia | 10.10 (70) | Victoria | 23.20 (158) | VFL Park |
| 8 | 87 | Sat 25-Jun-1949 | Western Australia | 8.9 (57) | Victoria | 21.18 (144) | Melbourne Cricket Ground |
| 8 | 87 | Sat 15-Jun-1985 | Western Australia | 16.15 (111) | South Australia | 30.18 (198) | Subiaco Oval |
| 10 | 85 | Sat 25-Jul-1925 | Western Australia | 8.10 (58) | Victoria | 22.11 (143) | Melbourne Cricket Ground |
| 11 | 83 | Sat 11-Jul-1953 | Western Australia | 8.7 (55) | South Australia | 19.24 (138) | Adelaide Oval |
| 12 | 81 | Sat 14-Jun-1975 | Western Australia | 8.15 (63) | Victoria | 20.24 (144) | VFL Park |
| 12 | 81 | Sat 14-Jun-1980 | Western Australia | 9.10 (64) | South Australia | 21.19 (145) | Football Park, Adelaide |
| 14 | 73 | Sat 05-Aug-1911 | Western Australia | 3.5 (23) | South Australia | 13.18 (96) | Adelaide Oval |
| 15 | 69 | Tue 20-Jul-1954 | Western Australia | 8.13 (61) | Victoria | 19.16 (130) | Subiaco Oval |
| 16 | 67 | Sat 29-Jun-1957 | Western Australia | 6.12 (48) | Victoria | 15.25 (115) | Subiaco Oval |
| 16 | 67 | Tue 26-May-1992 | Western Australia | 13.12 (90) | Victoria | 23.19 (157) | Melbourne Cricket Ground |
| 18 | 65 | Sat 21-Jul-1928 | Western Australia | 6.9 (45) | Victoria | 15.20 (110) | Melbourne Cricket Ground |
| 18 | 65 | Tue 16-Jul-1985 | Western Australia | 9.11 (65) | Victoria | 19.16 (130) | Subiaco Oval |
| 18 | 65 | Sat 29-Jun-1996 | Western Australia | 6.9 (45) | South Australia | 15.20 (110) | Subiaco Oval |
| 21 | 64 | Sat 23-Jun-1956 | Western Australia | 9.19 (73) | Victoria | 20.17 (137) | Subiaco Oval |
| 22 | 63 | Sat 25-Jun-1977 | Western Australia | 13.13 (91) | Victoria | 23.16 (154) | Subiaco Oval |
| 22 | 63 | Sun 19-May-2024 | Western Australia | 5.16 (46) | South Australia | 16.13 (109) | Perth Stadium |
| 24 | 61 | Tue 16-Jun-1987 | Western Australia | 9.9 (63) | South Australia | 18.16 (124) | WACA |
| 25 | 60 | Wed 02-Mar-1988 | Western Australia | 10.13 (73) | Victoria | 20.13 (133) | Football Park, Adelaide |
| 25 | 60 | Sat 21-Jun-2003 | Western Australia | 8.10 (58) | South Australia | 17.16 (118) | Fremantle Oval |
| 27 | 57 | Wed 08-Jul-1953 | Western Australia | 5.6 (36) | Victoria | 13.15 (93) | Adelaide Oval |
| 27 | 57 | Sat 24-Apr-1976 | Western Australia | 11.21 (87) | Victoria | 21.18 (144) | Subiaco Oval |
| 29 | 56 | Sat 29-Aug-1908 | Western Australia | 6.8 (44) | Victoria | 13.22 (100) | Melbourne Cricket Ground |
| 30 | 55 | Sat 22-May-2010 | Western Australia | 11.10 (76) | Victoria | 20.11 (131) | Leederville Oval |
| 31 | 54 | Tue 16-May-1989 | Western Australia | 10.12 (72) | Victoria | 19.12 (126) | WACA |
| 32 | 53 | Sat 22-Jul-1950 | Western Australia | 10.5 (65) | Victoria | 18.10 (118) | Brisbane Exhibition Ground |
| 32 | 53 | Sat 17-Jun-1967 | Western Australia | 11.16 (82) | Victoria | 20.15 (135) | Melbourne Cricket Ground |
| 32 | 53 | Sat 15-May-2021 | Western Australia | 11.11 (77) | South Australia | 20.10 (130) | Adelaide Oval |
| 35 | 50 | Sat 09-Jun-1923 | Western Australia | 3.5 (23) | South Australia | 10.13 (73) | Adelaide Oval |
| 35 | 50 | Tue 05-Jul-1988 | Western Australia | 15.9 (99) | Victoria | 21.23 (149) | Subiaco Oval |
| 37 | 49 | Tue 02-Jul-1957 | Western Australia | 11.7 (73) | Victoria | 17.20 (122) | Subiaco Oval |
| 38 | 48 | Sat 15-Jun-1968 | Western Australia | 11.10 (76) | South Australia | 18.16 (124) | Adelaide Oval |
| 39 | 47 | Wed 11-Jun-1969 | Western Australia | 14.13 (97) | Victoria | 21.18 (144) | Adelaide Oval |
| 39 | 47 | Sat 21-Jun-1997 | Western Australia | 10.13 (73) | Tasmania | 19.6 (120) | North Hobart Oval |
| 41 | 45 | Sat 11-Jul-1998 | Western Australia | 10.10 (70) | South Australia | 17.13 (115) | Football Park, Adelaide |
| 42 | 44 | Sat 01-Aug-1925 | Western Australia | 7.8 (50) | South Australia | 12.22 (94) | Adelaide Oval |
| 42 | 44 | Sat 24-Jun-1972 | Western Australia | 9.11 (65) | Victoria | 15.19 (109) | Subiaco Oval |
| 44 | 43 | Sat 30-Jun-1951 | Western Australia | 5.12 (42) | Victoria | 13.7 (85) | Subiaco Oval |
| 45 | 42 | Sat 17-Jul-1954 | Western Australia | 11.10 (76) | Victoria | 16.22 (118) | Subiaco Oval |
| 45 | 42 | Fri 12-May-2000 | Western Australia | 8.17 (65) | South Australia | 15.17 (107) | Adelaide Oval |
| 47 | 40 | Tue 24-May-1988 | Western Australia | 11.13 (79) | South Australia | 17.17 (119) | Football Park, Adelaide |
| 48 | 38 | Sat 22-Jun-1935 | Western Australia | 13.10 (88) | Victoria | 18.18 (126) | Perth Oval |
| 48 | 38 | Tue 03-Jul-1951 | Western Australia | 8.12 (60) | Victoria | 14.14 (98) | Subiaco Oval |
| 48 | 38 | Sat 17-Jul-1971 | Western Australia | 13.8 (86) | Victoria | 18.16 (124) | Subiaco Oval |
| 51 | 37 | Tue 26-Jun-1990 | Western Australia | 8.12 (60) | Victoria | 14.13 (97) | WACA |
| 52 | 36 | Sat 02-Aug-1947 | Western Australia | 15.12 (102) | South Australia | 20.18 (138) | North Hobart Oval |
| 52 | 36 | Wed 02-Jun-1993 | Western Australia | 14.7 (91) | South Australia | 19.13 (127) | Football Park, Adelaide |
| 52 | 36 | Sat 11-Jul-1998 | Western Australia | 16.11 (107) | South Australia | 22.11 (143) | Football Park, Adelaide |
| 55 | 35 | Sat 11-Oct-1980 | Western Australia | 9.15 (69) | Victoria | 14.20 (104) | Football Park, Adelaide |
| 55 | 35 | Sun 02-Jun-1996 | Western Australia | 13.13 (91) | South Australia | 20.6 (126) | Football Park, Adelaide |
| 57 | 34 | Sat 06-Aug-1904 | Western Australia | 8.12 (60) | Victoria | 14.10 (94) | Melbourne Cricket Ground |
| 57 | 34 | Sat 21-Jun-1952 | Western Australia | 12.10 (82) | South Australia | 16.20 (116) | Adelaide Oval |
| 57 | 34 | Sat 25-Jun-1960 | Western Australia | 12.17 (89) | Victoria | 18.15 (123) | Subiaco Oval |
| 60 | 32 | Sat 23-Jun-1962 | Western Australia | 8.15 (63) | South Australia | 13.17 (95) | Adelaide Oval |
| 61 | 31 | Sun 18-Jun-1995 | Western Australia | 8.13 (61) | Allies | 13.14 (92) | Subiaco Oval |
| 62 | 30 | Sat 07-Jul-1979 | Western Australia | 10.15 (75) | South Australia | 15.15 (105) | Subiaco Oval |
| 63 | 29 | Sat 18-Jun-1955 | Western Australia | 3.7 (25) | Victoria | 6.18 (54) | Melbourne Cricket Ground |
| 64 | 27 | Sat 03-Jul-1971 | Western Australia | 12.10 (82) | South Australia | 15.19 (109) | Adelaide Oval |
| 65 | 24 | Wed 30-Jul-1930 | Western Australia | 12.10 (82) | South Australia | 16.10 (106) | Adelaide Oval |
| 65 | 24 | Wed 22-Jul-1987 | Western Australia | 13.14 (92) | Victoria | 16.20 (116) | Subiaco Oval |
| 67 | 23 | Sat 06-Jul-1929 | Western Australia | 13.8 (86) | Victoria | 15.19 (109) | Perth Oval |
| 67 | 23 | Tue 13-Jul-1982 | Western Australia | 15.11 (101) | Victoria | 19.10 (124) | Subiaco Oval |
| 69 | 22 | Wed 02-Aug-1933 | Western Australia | 10.24 (84) | South Australia | 16.10 (106) | Sydney Cricket Ground |
| 69 | 22 | Sat 16-Jul-1938 | Western Australia | 17.21 (123) | Victoria | 22.13 (145) | Melbourne Cricket Ground |
| 69 | 22 | Thu 20-Jul-1950 | Western Australia | 9.7 (61) | South Australia | 11.17 (83) | Brisbane Exhibition Ground |
| 72 | 21 | Sat 23-Jul-1938 | Western Australia | 14.17 (101) | South Australia | 18.14 (122) | Adelaide Oval |
| 72 | 21 | Sat 05-Jul-1980 | Western Australia | 15.12 (102) | Victoria | 18.15 (123) | VFL Park |
| 72 | 21 | Sun 08-Jul-1990 | Western Australia | 14.16 (100) | South Australia | 17.19 (121) | Football Park, Adelaide |
| 75 | 20 | Sat 24-Jun-1939 | Western Australia | 7.13 (55) | Victoria | 11.9 (75) | Subiaco Oval |
| 75 | 20 | Sat 18-May-1974 | Western Australia | 12.12 (84) | South Australia | 14.20 (104) | Football Park, Adelaide |
| 77 | 19 | Sat 12-Jul-1958 | Western Australia | 11.12 (78) | Victoria | 14.13 (97) | Melbourne Cricket Ground |
| 77 | 19 | Tue 06-Jul-1965 | Western Australia | 17.8 (110) | Victoria | 18.21 (129) | Subiaco Oval |
| 79 | 18 | Wed 09-Aug-1911 | Western Australia | 8.9 (57) | Victoria | 10.15 (75) | Adelaide Oval |
| 80 | 17 | Sat 03-Jul-1926 | Western Australia | 4.17 (41) | South Australia | 8.10 (58) | Adelaide Oval |
| 80 | 17 | Fri 26-May-2006 | Western Australia | 12.9 (81) | South Australia | 14.14 (98) | Adelaide Oval |
| 82 | 16 | Sat 05-Jul-1958 | Western Australia | 11.12 (78) | Tasmania | 13.16 (94) | Lake Oval, South Melbourne |
| 82 | 16 | Sat 04-Aug-1962 | Western Australia | 9.14 (68) | South Australia | 12.12 (84) | Subiaco Oval |
| 84 | 15 | Sat 05-Aug-1933 | Western Australia | 12.13 (85) | Victoria | 14.16 (100) | Sydney Cricket Ground |
| 84 | 15 | Sat 08-Jun-1963 | Western Australia | 6.13 (49) | Tasmania | 9.10 (64) | Subiaco Oval |
| 84 | 15 | Sat 18-Jun-1966 | Western Australia | 13.7 (85) | Victoria | 15.10 (100) | North Hobart Oval |
| 87 | 14 | Sat 08-Aug-1914 | Western Australia | 11.14 (80) | Victoria | 13.16 (94) | Sydney Cricket Ground |
| 87 | 14 | Sat 02-Aug-1930 | Western Australia | 9.8 (62) | Victoria | 11.10 (76) | Adelaide Oval |
| 87 | 14 | Sat 07-Oct-1978 | Western Australia | 14.17 (101) | Victoria | 17.13 (115) | Subiaco Oval |
| 87 | 14 | Sat 26-May-2012 | Western Australia | 13.9 (87) | South Australia | 15.11 (101) | Glenelg Oval, Adelaide |
| 91 | 13 | Sat 20-Aug-1927 | Western Australia | 10.12 (72) | Victoria | 11.19 (85) | Melbourne Cricket Ground |
| 91 | 13 | Wed 09-Aug-1933 | Western Australia | 12.11 (83) | South Australia | 13.18 (96) | Sydney Cricket Ground |
| 91 | 13 | Tue 25-Jun-1935 | Western Australia | 11.6 (72) | Victoria | 12.13 (85) | Leederville Oval |
| 91 | 13 | Sat 27-Jun-1964 | Western Australia | 16.10 (106) | South Australia | 18.11 (119) | Adelaide Oval |
| 91 | 13 | Fri 19-May-2023 | Western Australia | 7.9 (51) | South Australia | 8.16 (64) | Adelaide Oval |
| 96 | 12 | Sat 07-Jun-1969 | Western Australia | 14.11 (95) | South Australia | 15.17 (107) | Adelaide Oval |
| 97 | 11 | Sat 28-Jul-1928 | Western Australia | 13.10 (88) | South Australia | 15.9 (99) | Adelaide Oval |
| 97 | 11 | Tue 02-Jul-1963 | Western Australia | 8.8 (56) | Victoria | 9.13 (67) | Subiaco Oval |
| 97 | 11 | Sat 19-Jun-2004 | Western Australia | 8.10 (58) | Victoria | 10.9 (69) | Leederville Oval |
| 100 | 9 | Sat 14-Jun-1952 | Western Australia | 13.4 (82) | Victoria | 13.13 (91) | Melbourne Cricket Ground |
| 100 | 9 | Sat 25-Jun-1955 | Western Australia | 12.12 (84) | South Australia | 14.9 (93) | Adelaide Oval |
| 100 | 9 | Sat 06-Jul-1968 | Western Australia | 13.12 (90) | Victoria | 13.21 (99) | Subiaco Oval |
| 103 | 8 | Sat 09-Aug-1924 | Western Australia | 14.11 (95) | Victoria | 15.13 (103) | North Hobart Oval |
| 103 | 8 | Sat 14-Aug-1937 | Western Australia | 13.11 (89) | Victoria | 14.13 (97) | Subiaco Oval |
| 103 | 8 | Sat 02-Jul-1949 | Western Australia | 16.12 (108) | South Australia | 16.20 (116) | Adelaide Oval |
| 103 | 8 | Fri 20-Jun-1997 | Western Australia | 16.12 (108) | Allies | 18.8 (116) | Subiaco Oval |
| 107 | 7 | Sat 13-Jul-1974 | Western Australia | 10.12 (72) | Victoria | 11.13 (79) | Subiaco Oval |
| 107 | 7 | Sun 12-May-2019 | Western Australia | 13.15 (93) | South Australia | 16.4 (100) | Perth Stadium |
| 109 | 6 | Sat 13-Jun-1970 | Western Australia | 15.15 (105) | Victoria | 17.9 (111) | Melbourne Cricket Ground |
| 109 | 6 | Tue 12-May-1992 | Western Australia | 9.12 (66) | South Australia | 9.18 (72) | Football Park, Adelaide |
| 111 | 5 | Sat 12-Aug-1911 | Western Australia | 8.9 (57) | Tasmania | 8.14 (62) | Adelaide Oval |
| 111 | 5 | Wed 05-Aug-1914 | Western Australia | 12.11 (83) | South Australia | 12.16 (88) | Sydney Cricket Ground |
| 111 | 5 | Tue 17-Jul-1934 | Western Australia | 14.14 (98) | South Australia | 14.19 (103) | Leederville Oval |
| 114 | 4 | Sat 15-May-2022 | Western Australia | 9.12 (66) | South Australia | 10.10 (70) | Perth Stadium |
| 115 | 3 | Sat 20-Jun-1925 | Western Australia | 7.12 (54) | South Australia | 8.9 (57) | Subiaco Oval |
| 115 | 3 | Tue 16-Aug-1955 | Western Australia | 14.8 (92) | South Australia | 14.11 (95) | Subiaco Oval |
| 117 | 2 | Sat 27-Jun-1959 | Western Australia | 12.17 (89) | South Australia | 13.13 (91) | Adelaide Oval |
| 117 | 2 | Wed 19-Jul-1961 | Western Australia | 15.17 (107) | South Australia | 16.13 (109) | Brisbane Exhibition Ground |
| 117 | 2 | Mon 15-Jun-1970 | Western Australia | 17.14 (116) | Tasmania | 18.10 (118) | North Hobart Oval |
| 117 | 2 | Sat 05-Mar-1988 | Western Australia | 9.12 (66) | New South Wales | 10.8 (68) | Football Park, Adelaide |
| 121 | 1 | Tue 21-Jul-1936 | Western Australia | 11.8 (74) | South Australia | 9.21 (75) | Subiaco Oval |
| 121 | 1 | Sat 29-Jun-1963 | Western Australia | 13.16 (94) | Victoria | 14.11 (95) | Subiaco Oval |