Kelvin John Thomson (born 1 May 1955) is a former Australian politician. From March 1996 to May 2016, Thomson was an Australian Labor Party member of the Australian House of Representatives, representing the Division of Wills in Victoria. In February 2013, Thomson was appointed the Parliamentary Secretary for Trade in the Second Gillard Ministry.

Thomson was born in Coburg, Victoria. He has been active in improving the local environment of Pascoe Vale and north-western Melbourne from a young age. He received a Bachelor of Arts and Bachelor of Laws from the University of Melbourne and, finishing first in his class, he was awarded the Supreme Court Prize for Law.

He joined the Australian Labor Party in 1975 and was a public servant and electorate secretary to Senator Gareth Evans before entering local politics serving as a councillor in the Coburg City Council from 1981 to 1988. He was the deputy mayor from 1983 to 1984 and 1987 to 1988.

Kelvin Thomson was married to Victorian Labor MP Marsha Thomson until they separated in 2003. They have two children.