There are three main federal tax returns that you'll need to consider filing in the year after someone has died, but it's unusual to file all three. In addition, you'll have to file an individual state income tax return for the decedent, and, in some states, a state estate or trust income tax return, or a state inheritance or estate tax return.
Click on the state-specific article below to find out more about federal and state taxes due after a death in your state.