List of tallest buildings and structures in Portsmouth

This list of the tallest buildings and structures in Portsmouth ranks skyscrapers and structures in Portsmouth, England by height.

Only structures taller than 150 feet (46 m) are listed below.

The city's current tallest structure is the 558-foot-tall Spinnaker Tower (170 m), which is also the tallest accessible structure in the United Kingdom outside London.

An equal sign (=) following a rank indicates the same height between two or more buildings.

The 170m Spinnaker Tower has been the tallest structure in the city since 2005.