The dissident priest, the Rev. Thadeus Nguyen Van Ly, and lawyers Nguyen Van Dai and Le Thi Cong Nhan are in jail on various charges involving alleged anti-government activities. Nguyen Van Ly was sentenced at the end of March to eight years in prison.
A resolution, proposed by Republican Rep. Chris Smith and passed Wednesday, says the United States should "make a top concern the immediate release, legal status and humanitarian needs" of the three.
The U.S. government also should "urge the government of Vietnam to comply with internationally recognized standards for basic freedoms and human rights."
It also says the House "challenges the qualifications of Vietnam to be a member of the United Nations Security Council" unless the Vietnamese government "begins immediately to respect human rights and fundamental freedoms for all within its own borders."