Apple officially changed the name of Lake Ontario to Lake America within its Apple Maps application for users based in the United States. ^[1] President Donald Trump issued an executive order directing the Interior Department to update the lake's name in the U.S. geographic naming service. ^[2] President Donald Trump stated on Truth Social that Apple Maps has changed the name of Lake Ontario to Lake America, describing the change between Google Maps and Apple Maps as complete, ratified, and binding. ^[3] Canadian Prime Minister Mark Carney stated that Canada would implement retaliatory tariffs on a dollar-for-dollar basis. ^[4] The United States imposed new tariffs of 50% on Canadian goods valued at US$20 billion after trade negotiations collapsed. ^[5] Apple is now the second US-based tech giant to comply with Trump's controversial executive order, following Google's announcement on Saturday. ^[6] US Interior Secretary Doug Burgum said in an interview with Fox News on Monday that Trump reached out to Apple directly last week to request the lake's name change on the Apple Maps app. ^[7] Google Maps rolled out the same name change over the weekend, stating that updates follow their long-standing policy for bodies of water with names that vary from country to country. ^[8] Canadian Prime Minister Mark Carney rejected the move, noting the lake's Indigenous roots and its name predating both the Canadian Confederation and the U.S. Declaration of Independence. ^[9] Ontario Premier Doug Ford rejected the renaming on social media, stating, 'It's Lake Ontario to Canadians and the rest of the world. Now and forever.' ^[10] President Donald Trump issued an executive order last week directing the renaming of Lake Ontario to 'Lake America' to honor American heritage and achievements. ^[11] Apple began adopting the name and by 2025-09-02 its Apple Maps app displayed 'Lake America' for the lake. ^[12]