Job Creation Tax Credit Act of 2011 - Amends the Internal Revenue Code to allow a business-related tax credit for 15% of the wages paid to certain unemployed workers in 2011 and 10% of wages paid in 2012. Requires that such workers: (1) begin employment after the enactment of this Act and before January 13, 2013; (2) certify, under penalty of perjury, that they have not been employed for more than 40 hours during the 60-day period ending on the date they begin their employment; and (3) not be hired to replace another employee unless such employee separated from employment voluntarily or for cause.