John Ross Tower is a condominium skyscraper in the South Waterfront neighborhood in Portland, Oregon.

It stands at a height of 99.1 m (325 ft), the first building in the district to reach the maximum height allowed for development and Portland's seventh-tallest building.

It is also the largest residential building built in Portland since the KOIN Center in 1984.

The topmost penthouse occupies the entire 31st floor and allows for a full 360 degree view.

As of March 2010, 80 units were unsold, and 50 were sold at an auction in April 2010, some at a 70% discount from their original asking price.