Tobias Christoph Feilner (19 May 1773, Weiden in der Oberpfalz - 7 April 1839, Berlin) was a German master potter.
With the assistance of Friedrich Abraham Wilhelm von Arnim (1767–1812), the Prussian Ambassador to Saxony, he was able to find a permanent position with Gottfried Höhler (1744-1812), who ran a furnace workshop in Berlin.
In 1804, Feilner received a Royal Patent for an encaustic painting technique; used to create precise decorations on pottery and tiles.
Together with Karl Friedrich Schinkel, he developed a type of masonry heater that became standard in Germany by the middle of the 19th century.
One of them, Amalie, married the sculptor Ludwig Wilhelm Wichmann, who provided Feilner with numerous models for his terracotta work.