Cognomen Rinhart (Rinhart 
) , globally, is a very rare family name. The family name Rinhart is habitual in Denmark, where it is a rare surname, the United States, where it is an extremely rare surname, and Argentina. Very seldom, Rinhart is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rinhart | Argentina, Philippines, Denmark, United States |
| floyd rinhart American historian of photography (1915-1996), US (b. 1915) |
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| marion rinhart American historian and writer (1916-2003), US (b. 1916) |
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| george r. rinhart American art dealer and collector, US (b. 1944) |
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| birgitte rinhart Danish mayor (b. 1949) |
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