Among the attempts to oppose tobacco control legislation, the tobacco industry has alleged violations of its right to commercial speech. While the disputes that took place in some jurisdictions like the United States (US), Canada, or the European Union (EU) have been already analyzed, much less is known about how, globally, this doctrine has influenced the adoption of tobacco control measures. This article contributes to filling this gap by illustrating how the commercial speech doctrine influenced the negotiations of the Framework (...) Convention on Tobacco Control (FCTC). Moreover, using the Tobacco Control Database of Campaign for Tobacco-Free Kids, it shows that arguments on commercial speech have been used to challenge tobacco control measures in an increasing number of countries. (shrink)