Kilmer has dated many well-known women over the years including Ellen Barkin and Cher. Kilmer met Joanna Whalley in the set of the fantasy called Willow where Joanne was his co-star. The two would later marry and have two children together. However, they divorced later because of their differences.
In his memoir called I’m Your Huckleberry, Kilmer has mentioned that he hasn’t had a girlfriend in over 20 years which does make a part of his day very lonely.