Robert von Welz (15 December 1814, in Kelheim – 12 November 1878, in Würzburg) was a German physician and ophthalmologist.
For several years he worked as an assistant physician at the Juliusspital in Würzburg, then in 1849 traveled to Paris, where he conducted research of syphilis.
[1] In Paris he became engaged in a dispute with Philippe Ricord in regard to the transferability of syphilis.
[2] His interests later turned to ophthalmology, and in 1854/55 he studied the subject with Albrecht von Graefe in Berlin.
[1][3] He was known for his development of various medical devices, such as an apparatus for the inhalation of ether and an instrument used for enucleation.