The following page lists the tallest buildings and structures in Sri Lanka in terms of the highest architectural detail. Apart from the historical timeline of tallest structures, structures which are shorter than 20-floors (for habitable buildings) or (for non-habitable structures) are excluded. Whereas structures that are under construction but have topped out are included in this list.
The majority of high-rise structures in the country are located in the commercial capital Colombo. As of May 2017, the tallest structure on the island is the Lotus Tower at , and the tallest habitable building is the Altair at .
This list ranks the structures in Sri Lanka that stand at least 100 m (330 ft) or 20 floors. Only completed buildings and structures are included.
The following table is a list of the tallest completed or topped out structures in each of the categories below. There can only be one structure in each category unless the title for the tallest is a draw.
This list ranks buildings and structures that are under construction in Sri Lanka and are planned to rise at least 100 m (330 ft) or 20 floors tall. Colombo has the most under-construction buildings and structures followed by Kotte.
This table lists buildings that were at one time under construction in Sri Lanka and were expected to rise at least 100 metres (330 ft) or 20 floors in height, but are now on hold. While not officially cancelled, construction has been suspended on each development.
This list ranks buildings and structures that are approved or proposed and are planned to rise at least 100 m (330 ft) or 20 floors tall.