Ottomar is a masculine given name of Germanic origin. It is derived from Audamar, a name comprised from the elements *aud, meaning wealth, and *mari, meaning fame. Another variant of the name is Othmar.

The name may refer fo:

• Ottomar Anschütz (1846–1907), German inventor, photographer, and chronophotographer
• Ottomar Gern (1827–1882), Russian fortification engineer
• Ottomar Rodolphe Vlad Dracula Prince Kretzulesco (1940–2007), German socialite
• Ottomar Ladva (born 1997), Estonian chess player
• Ottomar von Mayenburg (1865–1932), German pharmacist
• Ottomar Pinto (1931–2007), Brazilian politician
• Ottomar Rosenbach (1851–1907), German physician
• Hermann Ottomar Herzog (1832–1932), German-American painter
• Julius Rudolph Ottomar Freiherr von Minutoli (1804–1860), Prussian chief of police, diplomat, scientist, and author
• Paolo Ottomar Malchiodi (1970 – ) Italian triathlete

• Othmar
• Omar (name)
• Otto

Name list

This page or section lists people that share the same given name.
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