| 1951 | Busse, Kayla Jade | Huntingtower School | Mount Waverley | English | 41 |
| 1952 | Busuttil, Abbey Victoria | Blackburn High School | Blackburn | Health and Human Development | 41 |
| 1953 | Busuttil, Isaac | Bacchus Marsh Grammar | Bacchus Marsh | Environmental Science | 41 |
| 1954 | Butcher, Elliot Charles-Klaus | Luther College | Croydon Hills | Biology | 45 |
| 1955 | Butcher, Marguerite Eleanor | Warracknabeal Secondary College | Warracknabeal | Health and Human Development | 42 |
| 1956 | Butera, Luca James | Emmanuel College Melbourne | Altona North | General Mathematics | 40 |
| 1957 | Butera, Pearl Ava | Methodist Ladies College | Kew | Biology | 42 |
| 1958 | Buthgamuwa, Buthgamu Mudiyanselage | Sacred Heart Girls College | Hughesdale | Business Management | 40 |
| 1959 | Butler, Benjamin Joseph | Xavier College | Kew | Physical Education | 44 |
| 1960 | Butler, Benjamin Joseph | Xavier College | Kew | Legal Studies | 40 |
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| 1961 | Butler, Beth Eva | Preston High School | Preston | English | 40 |
| 1962 | Butler, Claire Laura | Luther College | Croydon Hills | Visual Communication Design | 40 |
| 1963 | Butler, Jackson Rae | Penleigh and Essendon Grammar School | Keilor East | Physical Education | 40 |
| 1964 | Butler, Madison Louise | Elisabeth Murdoch College | Langwarrin | General Mathematics | 45 |
| 1965 | Butler, Madison Louise | Elisabeth Murdoch College | Langwarrin | Health and Human Development | 40 |
| 1966 | Butler, Olivia Eleanor | Ringwood Secondary College | Ringwood | Food Studies | 43 |
| 1967 | Butler, Sophie Gwyneth | McKinnon Secondary College | McKinnon | Psychology | 40 |
| 1968 | Butler, Tilly Mackenzie | Elisabeth Murdoch College | Langwarrin | Laboratory Skills (VCE VET) | 47 |
| 1969 | Butler, Xavier Edward | Ballarat Grammar School | Wendouree | Mathematical Methods | 41 |
| 1970 | Butler, Xavier Edward | Ballarat Grammar School | Wendouree | English | 40 |
| 1971 | Butrev, Mark Theodore | Peninsula Grammar | Mount Eliza | English | 41 |
| 1972 | Butterfield Tucker, Archer Noble | Eltham College of Education | Research | Business Management | 47 |
| 1973 | Butters, Luka | Marist Sion College | Warragul | Outdoor and Environmental Studies | 42 |
| 1974 | Butterworth, Fin Oliver | Ivanhoe Grammar School Plenty | Doreen | Physical Education | 41 |
| 1975 | Butterworth, Isaac Hugh | Viewbank College | Viewbank | General Mathematics | 40 |
| 1976 | Buttigieg, Olivia | Mount St Joseph Girls College | Altona | English Language | 43 |
| 1977 | Buttigieg, Olivia | Mount St Joseph Girls College | Altona | Global Politics | 43 |
| 1978 | Buxton, Ella Rose | Sacre Coeur | Glen Iris | English | 45 |
| 1979 | Byard, Ida Josephine | Footscray High School | Footscray | Economics | 43 |
| 1980 | Byju, Christeena Maria | Killester College | Springvale | Laboratory Skills (VCE VET) | 41 |
| 1981 | Bylsma, Austin Jack | St Kevins College | Toorak | Biology | 47 |
| 1982 | Bylsma, Austin Jack | St Kevins College | Toorak | Mathematical Methods | 42 |
| 1983 | Byrden, Ilaria Rose Scarica | Sacre Coeur | Glen Iris | Psychology | 44 |
| 1984 | Byrne, Alannah Monique | Braemar College | Woodend | Health and Human Development | 46 |
| 1985 | Byrne, Anna Katharine | Melbourne Girls College | Richmond | English | 40 |
| 1986 | Byrne, Chloe Patricia | St Michaels Grammar School | St Kilda | Visual Communication Design | 50 |
| 1987 | Byrne, Chloe Patricia | St Michaels Grammar School | St Kilda | Legal Studies | 47 |
| 1988 | Byrne, Chloe Patricia | St Michaels Grammar School | St Kilda | Accounting | 45 |
| 1989 | Byrne, Chloe Patricia | St Michaels Grammar School | St Kilda | English Language | 43 |
| 1990 | Byrne, Emma-Rose Catherine Anne | Swinburne Senior Secondary College | Hawthorn | Media | 41 |
| 1991 | Byrne, Evelyn Julia | Coburg Senior High School | Coburg | Art Making and Exhibiting | 41 |
| 1992 | Byrne, Jack Keiran | Marian College Myrtleford | Myrtleford | Business Management | 41 |
| 1993 | Byrne, Rose Charlotte | Star of the Sea College | Brighton | History: Revolutions | 41 |
| 1994 | Byrne, Rose Charlotte | Star of the Sea College | Brighton | English | 40 |
| 1995 | Byrom, James Daniel Peter | Haileybury College | Keysborough | English | 42 |
| 1996 | Byrom, James Daniel Peter | Haileybury College | Keysborough | Legal Studies | 42 |
| 1997 | Byth, Amelie Jade | Tintern Grammar | Ringwood East | Outdoor and Environmental Studies | 44 |
| 1998 | Bytheway, Henry Albert | St Kevins College | Toorak | Physical Education | 40 |
| 1999 | Byvoet, Chloe Mae | Loreto College | Ballarat | Legal Studies | 44 |
| 2000 | Byvoet, Chloe Mae | Loreto College | Ballarat | English | 40 |