Trump orders US to rename Lake Ontario ‘Lake America’ amid Canada trade dispute

WASHINGTON — US President Donald Trump has ordered the Interior Department to rename Lake Ontario “Lake America” in US geographic records, escalating his trade dispute with Canada.

Trump signed an executive order at the White House on Thursday, 27 August, directing the department to update the lake’s name in the United States’ geographic naming system within 30 days.

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President Donald Trump signs an executive order in the Oval Office of the White House, Thursday, Aug. 27, 2026, in Washington. President Donald Trump said Thursday he is renaming Lake Ontario to be known as “Lake America” in the United States as he escalates his trade war with Canada. (AP Photo/Manuel Balce Ceneta)

The change would apply only in the United States. Trump cannot require Canada to adopt the new name.

Trump has floated the idea in recent days after the United States announced 50% tariffs on US$20 billion worth of Canadian goods over the weekend, following the collapse of trade talks between the two countries.

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Canada responded with tariffs of equal value on US goods, including steel, dairy products, electrical appliances and agricultural equipment.

During the signing ceremony in the Oval Office, Trump sat beside large maps of the five Great Lakes. One showed the words “Lake America” in red above Lake Ontario, while another carried the slogan: “Make the five lakes great again.”

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People look out across Lake Ontario from the harbor in Toronto, Tuesday, Aug. 25, 2026. The Republican president signed an executive order directing the Interior Department to update the lake’s name in the U.S. geographic naming service. Trump cannot force Canada to follow along, however. (Keito Newman/The Canadian Press via AP)

Canadian Prime Minister Mark Carney rejected the move, citing the lake’s Indigenous roots and its long-established name, which predates both Canadian Confederation and US independence.

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“Canadians also know that naming things accurately means calling it Lake Ontario, in the past, present and future,”

Carney said.

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City Councillor Renaldo Agostino looks at the Detroit skyline across the Detroit River Monday, Aug. 24, 2026, in Windsor, Ontario. Trump has been floating the idea of the name change in recent days as the U.S. announced it was imposing 50% tariffs on $20 billion worth of Canadian goods over the weekend after talks between the countries broke down. Trump has been needling America’s northern neighbor since he returned to the White House last year, suggesting the ally with whom the U.S. once had warm relations should instead be absorbed as the 51st state. (AP Photo/Mike Householder)

Trump has repeatedly taunted Canada since returning to the White House last year, at times suggesting that the US ally should become America’s 51st state.