Mr Trump, who will be sworn in as the 45th president of the United States this afternoon, faces protests in Washington during his inauguration, and in cities from Toronto to Sydney, Addis Ababa and Dublin over his politics which critics say are divisive and dangerous.
Anti-Trump protestors take to Tower Bridge, London, to vent their anger over inauguration
The protest in London was organised by the campaign group also called 'Bridges not Walls'
We won't let the politics of hate peddled by the likes of Donald Trump take hold
The protest in London was organised by the campaign group also called "Bridges not Walls", in reference to Mr Trump's pledge to build a wall on the Mexican border.
"We won't let the politics of hate peddled by the likes of Donald Trump take hold," Nona Hurkmans of Bridges not Walls said in a statement.
Protests are planned on Southwark, Millennium, Blackfriars, Waterloo, Westminster, Lambeth and Vauxhall.
The London action will involve a series of coordinated banner drops from London bridges along the river Thames, which will be filmed from the river to tell the story.
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Each bridge will deliver a specific themed message, organised by participating organisations, focusing on different groups and issues threatened by the far right.
After the banner drops people will be gathering on Millennium Bridge, for as long as people wish, for what they call a celebration solidarity.