The Gooderham Building is a historic office building located in Toronto, Canada. It was built in 1892 for the Gooderham and Worts Distillery, one of Canada's leading producers of whiskey at the time. The building was designed by architect David Roberts Jr. in the Romanesque Revival style, which was popular at the time.

The building features a distinctive flatiron shape, with the narrow end of the building facing south. It is constructed of red brick and features ornate detailing, including arched windows, decorative brickwork, and a clock tower. The clock tower was added in 1902 and features a four-sided clock and a copper dome.

The Gooderham Building was once the tallest building in Toronto and is now a designated heritage property. It is known as one of Toronto's most iconic and beloved buildings, and is a popular destination for tourists and locals alike. Today, the building is home to a variety of businesses, including law firms, marketing agencies, and art galleries.