"Hasner is a strong conservative who will work to protect the freedom of Americans by advocating for a limited government. He is pro-life, and consistent in his support of the traditional values that are the bedrock of our society," FRC Action PAC Chairman Tony Perkins said in a statement.
Hasner, who is Jewish, said in statement that the endorsement was "a validation of my lifelong and continued defense of faith, family and the sanctity of life."
Hasner and LeMieux face two nonestablishment candidates in the primary: former Army Col. Mike McCalister and former Ruth's Chris CEO Craig Miller.
Roll Call Politics rates the Florida Senate race Leans Democratic.
Terri Henderson, 6, center, whose mother is El Salvador, attends a rally with members of Congress at Union Station's Columbus Circle to announce the Restore Opportunity, Strengthen, and Improve the Economy (ROSIE) Act on July 29, 2014. The legislation provides incentives for government contractors to pay a living wage and other benefits that would help low-income workers.