Nahal Paran (Hebrew: נחל פארן, lit. 'Paran Stream') is a seasonal stream in Egypt's Sinai Peninsula and Israel's Negev Desert. With a length of 150 kilometers, it is the third largest watercourse in Israel after the Jordan River and Yarmouk River. It is also the widest watercourse in Israel.
The association of the name "Paran Stream" with this specific wadi is a modern one. Israeli authorities have introduced the name "Paran Stream" by adopting it from the Paran Desert mentioned in the Hebrew Bible. However, the modern identification of the biblical Paran Desert with a specific part of the Sinai Peninsula might or might not be accurate.