Umami Burger is an American restaurant chain that specializes in gourmet hamburgers. The name refers to umami (savory) flavor. The restaurant was founded by Adam Fleischman, and is part of the Umami Restaurant Group. Umami Burger has waiter service and most locations have a full bar. Its first restaurant opened in Los Angeles in 2009. There were over 25 locations in California, Florida, Illinois, Japan, Nevada, and New York as of 2017.