The present invention provides an inbred corn line designated NPIC3821, methods for producing a corn plant by crossing plants of the inbred line NPIC3821 with plants of another corn plant. The invention further encompasses all parts of inbred corn line NPIC3821, including culturable cells. Additionally provided herein are methods for introducing transgenes into inbred corn line NPIC3821, and plants produced according to these methods.
