Natural dye was extracted from Albizia procera sawdust by an aqueous extraction process. The extracted dye was applied to cotton fabric, and the dyeing techniques were evaluated. The metallic mordants FeSO₄ and CuSO₄ were used as dye fixing agents in this dyeing process. Different parameters, such as dye concentration, dyeing temperature, dyeing time, type of mordant, mordant concentration, and dyeing method, were evaluated. It was observed that the dye exhaustion on cotton fabric significantly increased with FeSO₄ mordant over that with CuSO₄. The shades of the dyed fabric were found to be dark olive when the FeSO₄ mordant was used and brown when the CuSO₄ mordant was used. Pre-, meta-, and post-mordanting dyeing methods were used to dye the fabric, but the meta-mordanting method was the most suitable for dyeing fabric with sawdust extract. Fourier transform infrared (FTIR) spectroscopy was performed on the extracted dyes and the dyed cotton fabric. The color fastness and tensile properties of all the dyed fabrics were evaluated and compared. The fabric treated with FeSO₄ as a mordant showed better color fastness and color strength (K/S) than the fabric treated with CuSO₄ mordant. However, the fabric treated with CuSO₄ showed better tensile properties than the FeSO₄ treated fabric and the undyed fabric.