Cognomen Rythe (Rythe 
) , around the world, is an extremely rare surname. The family name Rythe is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Much more frequently, Rythe is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rythe | Democratic Republic of the Congo, United States |
| elizabeth rythe (1520 - after 1571) |
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| william rythe, of totford (est. - ) |
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| john rythe, of totford |
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| joan rythe, of totford |
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