This is the peer reviewed version of the following article:Dean, L. E., Arnold, L., Crofford, L., Bennett, R., Goldenberg, D., Fitzcharles, M.-A., Paiva, E. S., Staud, R., Clauw, D., Sarzi-Puttini, P., Jones, G. T., Ayorinde, A., Flüß, E., Beasley, M. and Macfarlane, G. J. (2017), Impact of Moving From a Widespread to Multisite Pain Definition on Other Fibromyalgia Symptoms. Arthritis Care Res, 69: 1878–1886., which has been published in final form at DOI: 10.1002/acr.23214. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.