Beveridge Colin Dunlop (April 28, 1879 – July 2, 1961) was an American businessman and politician from New York.
John Dunlop engaged in the manufacture of silk, and in 1887 opened a branch factory in Spring Valley, Rockland County, New York.
Afterwards he lived in Spring Valley and worked for his family's silk business and other textile companies, later becoming vice president of several rayon manufacturers.
In November 1913, Dunlop was elected on the Progressive ticket to the New York State Assembly (Rockland Co.), defeating the incumbent Democrat Frederick George Grimme.
In November 1914, he ran on the Progressive and Prohibition tickets for re-election, but was defeated by his predecessor Grimme.