Bon Accord Baths is a category B listed Art Deco indoor swimming pool and baths complex in Aberdeen, Scotland. It is recognized as one of the most significant surviving swimming pools of the interwar period in the UK. It is not currently operational, but is being managed by Bon Accord Heritage, a registered charity working to restore and reopen the facility under community ownership. It is currently listed on the Buildings at Risk Register for Scotland.

Construction on the complex began in 1937, and it was opened on 30 August 1940. The opening of the Baths was recorded in a surviving news film.

The complex was called the "Uptown Baths" until its name was changed in 1955.

The complex was closed between April and November 2006 for refurbishment. It was closed permanently by Aberdeen City Council on 31 March 2008 as part of wider budget cuts. The council stated that the operating costs were much higher than similar facilities across the UK, and that the complex were surplus to its requirements. It was reported to have cost over £1 million per year to operate. In March 2010, the council announced that it was intending to sell the complex, noting that it had the potential for re-development while retaining the architectural features of the building.

In 2015, a closing date was set for offers on the baths. However, the complex was not sold. It is still owned by Aberdeen City Council, but Bon Accord Heritage have an agreement with the Council to develop plans for the restoration and reopening of the Baths under community ownership.

In 2022, Aberdeen City Council passed a motion to give official support to the project.

The complex is housed within an Art Deco building, designed by architect Alexander McRobbie of the Aberdeen City Architects Department. The structural system is reinforced concrete and masonry. The street elevation and side elevation of the front block are faced in local granite ashlar, the other exterior walls are finished with harling (viz. rough-casting). The relative austerity of the exterior belies drama and elegance of the interior, with an entry sequence consisting of a marble-clad ticketing hall and a sycamore wood-paneled corridor leading to a balcony overlooking the 120ft x 40ft pool. Seating for 1,000 spectators is arranged to either side of the pool. A five-level reinforced concrete diving tower is situated at the 15ft deep end.

The architectural critic and editor Catherine Slessor wrote in 2019 that "Underscored by a sense of municipal decorum and ambition, Alexander McRobbie's architecture steadfastly epitomises the famous maxim of Berthold Lubetkin: 'Nothing in too good for ordinary people'".

It was Category B listed in 1991.

The community group Save Bon Accord Baths (later becoming Bon Accord Heritage SCIO) was established in 2014 with the aim of reopening the complex for swimming. In September 2020, the group held an Open Weekend, allowing the public entry to the building for the first time since its closure in 2008; more than 1,600 people visited the building over two days. Since then, open days have been held twice a year, including Doors Open Day in 2023 . Since 2022, the annual Aberdeen Jazz Festival has staged musical performances at the Baths under the title Soundbath.

Extensive work has been undertaken by the volunteers and trustees to date, including the cleaning up of much of the building, remedial work to prevent further decline, removal of all vegetation from the roof, extensive boarding up of windows and securing of the building to prevent unauthorised access and vandalism.

In 2023, the project was selected by the public as one of five local charity partners to receive funding from The Press and Journal's P&J 275 Community Fund.

• Save Bon Accord Baths
• Entry on the Buildings at Risk Register for Scotland