Emil Friedrich August Walter (or Walther) Migula (born 1863 in Zyrowa, Prussia (present-day Poland); died 1938 in Eisenach, Germany) was a German botanist.
In 1890, he was habilitated for botany at Karlsruhe Institute of Technology, where he spent several years as a professor.
At Karlsruhe, he also worked in the bacteriology department of the Food Research Institute.
[1] He published many articles on the subjects of cryptogamic botany, bacteriology, and plant physiology.
[2] He is remembered for describing the bacterial genus Pseudomonas, and for publication of Kryptogamen-Flora von Deutschland, Deutsch-Österreich und der Schweiz [Cryptogamic Flora of Germany, Austria, and Switzerland], a work connected with Otto Wilhelm Thomé's Flora von Deutschland [Plants of Germany].