Mirth

Mirth may refer to:


 * Gladness and gaiety, especially when expressed by laughter
 * Mirth Connect, software for conversion between health record standards
 * Mirth Provisions, a cannabis company based in Longview, Washington
 * USS Mirth (AM-265), a World War II Admirable-class minesweeper used by the U.S. Navy 1943–1945