Formal endorsements of the National Popular Vote Plan as of March 2009 include the following. Web-based versions of these endorsements can be found via the links provide.

• American Civil Liberties Union (ACLU) - Statement on the National Popular Vote
• Asian American Action Fund (AAA-Fund) - AAA-Fund's endorsement of National Popular Vote.
• Common Cause - Common Cause and several of its state branches have been active partners from the news conference announcing the plan in February 2006.
• National Association for the Advancement of Colored People (NAACP) - At its 2008 annual convention in Cincinnati, Ohio, the NAACP adopted a resolution (pdf, 54kb) in support of the proposition of a national popular vote for president in general and the National Popular Vote plan in particular. It won final approval of the NAACP board on October 17, 2008.
• National Black Caucus of State Legislators (NBCSL) - In December 2006, the Judiciary Committee of the NBCSL unanimously adopted a resolution (pdf, 37kb) at its annual meeting in Jackson, Mississippi. It was adopted by acclamation on the floor.
• National Latino Congreso (NLC)  - NLC passed a resolution (pdf, 56kb) with overwhelming support of NPV at its September 2006 conference.
• Sierra Club - In February 2009, the Sierra Club published its resolution and formal endorsement of NPV.
• U.S. Public Interest Research Group (PIRG) - U.S. PIRG's March 2009 press release supporting NPV.

The following organizations have also established support for a national popular vote plan:

• Defenders of Wildlife
• Public Citizen - Statement

For a listing of state legislators and other individuals backing the National Popular Vote Plan, see our page on Supporters of Direct Election and the National Popular Vote website.