**President Trump’s August 25, 2026, Truth Social post floated the possibility of renaming Lake Ontario “Lake America” amid escalating U.S.-Canada trade tensions, tariffs on Canadian autos and steel, and collapsed negotiations.** This echoes his January 2025 executive order directing federal agencies to use “Gulf of America” for official U.S. purposes, an action implemented through the Board on Geographic Names without international adoption. Lake Ontario, however, is a binational Great Lake governed by treaties, the International Joint Commission, and separate U.S. and Canadian naming authorities, creating procedural and jurisdictional hurdles absent in the Gulf case. The comment appears tied to rhetorical escalation over trade deficits and tariffs rather than an announced timeline or formal directive. Traders assign a 74% probability to “No” because the statement remains at the consideration stage without follow-through steps, and similar high-profile name-change proposals have historically faced implementation limits even when pursued via executive action. No scheduled votes, agency processes, or further announcements have advanced the idea in the days since the post.