Colcom Foundation is an anti-immigration private foundation established in 1996 by Cordelia Scaife May, a Mellon family heiress. The Foundation is one of the main sources of funding for the anti-immigration movement in the United States. Several of the groups funded by the Colcom Foundation have been designated as hate groups by the Southern Poverty Law Center (SPLC), including , the Center for Immigration Studies (CIS), and the Federation for American Immigration Reform (FAIR).