This is the peer reviewed version of the following article: Tuskeviciute R, Snyder KA, Stadler G, Shrout PE. Coping concordance in couples. Pers Relationship. 2018;25:351–373., which has been published in final form at https://doi.org/10.1111/pere.12248. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.