Joseph Ignaz Appiani (October 16, 1706 – August 19, 1785) was a South-Germanpainter of the late Baroque era. He was the son of plasterer Pietro Francesco Appiani from Porto Ceresio, and Maria Sophia from Fürstenfeldbruck. His uncle was the plasterer Jacopo Appiani (1687–1742).
High altar fresco in the old parish church of St. Jakobus in Bad Kissingen, "Jakobus heals the sick on the way to his execution", signed "Appiani" on the Great Dane's collar on the left edge of the picture (from 1775)