This list includes the tallest buildings in Atlantic Canada, which comprises the provinces of New Brunswick, Newfoundland and Labrador, Nova Scotia, and Prince Edward Island. Buildings in five cities are included in this list; Fredericton, Halifax, Moncton, Saint John, and St. John's, each having buildings at least 60 metres tall.
The tallest of these high-rise buildings is One 77, which is 32 storeys and in height, which, when it topped out in 2023, supplanted the previous 52-year record-holder, The Vüze, which is 33 storeys and in height.
This list ranks buildings in Atlantic Canada that stand at least 60 m (197 ft) tall, based on CTBUH height measurement standards. This includes spires and architectural details but does not include antenna masts. An equal sign (=) following a rank indicates the same height between two or more buildings.
As of March 2023, the following buildings of at least 60 m (197 ft) height are under construction.