Nahr may refer to:
*
Nahr (toponymy)
The glossary of Arabic toponyms gives translations of Arabic terms commonly found as components in Arabic toponyms. A significant number of them were put together during the PEF Survey of Palestine carried out in the second half of the 19th centu ...
, a component of Arabic toponyms literally meaning "river"
*
Al-Nahr, a Palestinian village
*
Non-allelic homologous recombination Non-allelic homologous recombination (NAHR) is a form of homologous recombination that occurs between two lengths of DNA that have high sequence similarity, but are not alleles.
It usually occurs between sequences of DNA that have been previously ...
* The Arabic term for ''
river, channel'' (نهر):
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