Otto May
Otto May is the name of the following people:
- Otto May (agronomist) (1833–1914), German agricultural scientist
- Otto May (physiologist) (1879-1946), British physiologist
- Otto May (journalist) (1897 – after 1926), German journalist and politician
- Otto May (engineer) (1900–1961), German engineer, inventor, entrepreneur and university professor
- Otto May (painter) , German painter
- Otto May (collector) (* 1951), German teacher and postcard collector
- Otto May (officer) , German naval officer
- Otto B. May (1880–1952), German-American pharmacologist, chemist and industrialist
- Otto Heinrich May (1887–1977), German historian and librarian
