These are in no particular order.
Candidate Obama said he would close Guantanamo Bay his first year in office. The last time I checked, it was still open.
President Obama said if Congress passed the second stimulus package, unemployment would never go over 8%. It climbed to 10.2%, and has yet to fall below 8%.
President Obama said if The Taxpayers would bail out GM and Chrysler, they would not have to file bankruptcy. We bailed them out. Both companies declared bankruptcy.
In 2009. President Obama said the penalty in The Affordable Health Care Act was not a tax. On June 28, 2012, in order to deem the act Constitutional, Chief Justice John Roberts wrote that it was a tax. A penalty would have made the act Unconstitutional.
Barack Obama told Harvard Law School he was born in Kenya. His biographer previously described him as "A Kenyan born United States Senator from Illinois". Yet since the 2008 Presidential campaign, we have been told Obama was born in Hawaii. There has been evidence, in lieu of an official birth certificate, but no actual birth certificate. On this one, Obama has lied to someone. The question is to whom?
President Obama said companies like Solyndra were the way of the future, and gave Solydra $500,000. Less than nine months later, Solyndra was bankrupt and out of business.
There are many more examples, but this should be good for a start.

