Irbe (also Dižirbe, Dižirve, Irbes upe, Irve, Livonian: Īra) is a coastal river on the northern Courland Peninsula, Latvia.^[1] Of length 32 km, it starts as the confluence of Stende and Rinda [lv] rivers ^[1] and it follows the coastline of the Irbe Strait, reaching the Baltic Sea in the Irbe Strait about halfway between the promontories of the Oviši Lighthouse and cape Kolka.^[2] It runs within the Tārgale parish, Ventspils district.^[1] Its only significant tributary (left) is Dižgrāvis [lv].

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The brown moor water of the river constantly moves large sandbanks in its estuary. The river is used as spawning ground by brown trout.^[3]