Timothy J. McKay (1947 – July 30, 2006) was an environmentalist and executive director of the non-profit Northcoast Environmental Center, a transportation advocacy organization, in Arcata, California.

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McKay graduated from Humboldt State University^[1] and was a long-term resident of Trinidad, California.^[2]

McKay worked on projects for the protection of northern spotted owl, the preservation of the Siskiyou Wilderness and in the investigation of the death of salmon in the Klamath River.^[1]

On July 30, 2006, McKay died of a heart attack in Stone Lagoon of Humboldt Lagoons State Park in Humboldt County, California, U.S.. He was 59.^[1]