Louise Thérèse Viger Blouin (born 1958/59) is a Canadian magazine publisher.

[1] Blouin later married John MacBain and the couple acquired Auto Hebdo, a classified car trading magazine, in 1987.

[7] She started Louise Blouin Media in 2003, and moved into art publications, including Art+Auction, sold by the LVMH group.

[8] In October 2006 the foundation opened the Louise T. Blouin Institute in Shepherd's Bush in west London.

[2][9] In 2016, her name appeared in the Panama Papers as registered owner of five companies in the British Virgin Islands.

[11] In 1993 Blouin was one of approximately 200 "Global Leaders of Tomorrow" listed by the World Economic Forum, a Swiss foundation.