The .txt files contain the data for the respective Figures and Tables published in the manuscript "Finite-strain constitutive model for shape memory alloys formulated in the logarithmic strain space" (doi: 10.1007/s40830-025-00562-9) in comma-separated format. In all the figure files, first column provides data for x axis (horizontal), second column provides data for y axis (vertical). The first row contains column identifiers. The table file contains only the numerical data.