WASHINGTON—A Jewish political organization supporting Mitt Romney's presidential bid is launching a television ad campaign in swing states.

The Republican Jewish Coalition will spend $2.5 million to run cable television ads in the presidential battlegrounds of Florida, Ohio and Nevada and in Pennsylvania, a state where President Barack Obama is favored.

One of the group's new ads features Home Depot founder Bernie Marcus. He says the Obama administration lacks people with business experience and they "just don't have a clue" how to improve the nation's economy.

The Republican Jewish Coalition has financial backing from casino magnate Sheldon Adelson, the top individual political donor of the 2012 cycle.