Ewert may refer to:
Surname:
- Adolph W. Ewert, politician in the state of South Dakota
- Arthur Ewert (1890-1959), German Communist activist and Comintern functionary
- Fritz Ewert (born 1937), German football player
- Jörg-Peter Ewert (born 1938), German neurophysiologist and researcher in Neuroethology
- Keith Ewert (1918–1989), Australian politician
- Marcus Ewert, American writer, actor and director, living in San Francisco
- Maximilian C. Jehuda Ewert (born 1974), German composer and violinist
Given name:
- Ewert Janssen (died 1692), Danish architect who became a royal masterbuilder in 1668
- Ewert Karlsson (1918–2004), Swedish artist and political cartoonist