In compliance with the Oregon Indoor Clean Air Act and for life safety reasons, smoking (including e-cigarettes) and vaping is prohibited in all indoor areas of Linfield University, including but not limited to classrooms, hallways, lounges, laboratories, offices, dining areas, residence hall rooms, apartments, and all housing managed by Linfield University.

For public health reasons, smoking and vaping is similarly prohibited at all indoor and outdoor public gatherings held on campus, regardless of the sponsor. Smoking and vaping are also prohibited in all University vehicles. Smoking and vaping are not permitted within 30 feet of building entrances or open windows on the McMinnville Campus. The Portland Campus is 100% tobacco free.

As of January 1, 2018, Oregon State Law states that a person under 21 years of age may not purchase, attempt to purchase or possess tobacco products or any inhalant delivery system.