|MLA for Calgary North West|
|Preceded by||Frank Bruseker|
|Succeeded by||Lindsay Blackett|
|Born||December 14, 1953|
|Political party||Progressive Conservative Association of Alberta|
Gregory Knowles "Greg" Melchin (born December 14, 1953) is a politician and accountant who formerly served as a member of the Legislative Assembly of Alberta and Cabinet Minister in the Alberta government.
Melchin was born in Raymond, Alberta. He has lived in Northwest Calgary for most of his life.
He graduated from James Fowler High School and went to Brigham Young University, obtaining a bachelor of science degree in 1977. In 1980, Melchin received his C.A. designation from the Institute of Chartered Accountants of Alberta.
In the 2001 Alberta general election he was re-elected to his second term in a landslide increasing his plurality by 6000 votes, winning over 10,000 more than the second place candidate. He was appointed to his first portfolio in the Alberta government as Minister of Revenue.
On September 8, 2007, Melchin announced he would not seek re-election in the next provincial election.