This is the peer reviewed version of the following article: Guo, K, Sharifzadeh Mirshekarloo, M, Yao, K, Tay, FEH. Structural evolution of thermal sprayed bismuth sodium titanate piezoelectric ceramic coatings. J Am Ceram Soc. 2019; 102: 2370– 2376. https://doi.org/10.1111/jace.16135, which has been published in final form at https://doi.org/10.1111/jace.16135. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.