Yurok Tribe Klamath River Chinook Salmon Emergency Disaster Assistance Act of 2017 This bill provides appropriations to the Department of Commerce for assisting the Yurok Tribe of California with the economic and social effects of the 2016 Yurok Tribe Klamath River Chinook salmon fishery disaster and efforts to mitigate the economic losses to the tribe, businesses, individuals, or other entities caused by fishing closures or other restrictions on the harvesting of Chinook salmon.