Number One Riverside is a multi-use public building in Rochdale, Greater Manchester, England.

[3] The publicly accessible ground floor has restaurant and café spaces overlooking the River Roch.

The development of Number One Riverside enabled the council's estate to consolidate from 33 different sites into one building.

[6][7] Following extreme flooding on Boxing Day 2015,[8] much of Number One Riverside was closed, with the library not reopening until 2017.

[9] From February to June 2020, Number One Riverside hosted Dippy the dinosaur, the Natural History Museum's skeleton cast of a Diplodocus, as part of a nationwide tour.