John van Dongen (born December 13, 1949) is a Canadian politician who formerly served as a Member of the Legislative Assembly of British Columbia, representing the riding of Abbotsford South. At one time, van Dongen was one of the longest serving BC Liberal MLAs in the BC Legislature. He was first elected in 1995 in a by-election and was re-elected in 1996, 2001, 2005, and 2009. On March 26, 2012, van Dongen announced he was leaving the BC Liberal Party to sit as the only BC Conservative Party MLA in the legislature. He competed in the May 2013 election running as an independent and lost to Darryl Plecas.