Thematic analysis (TA) is an incredibly useful approach for gaining insights into the patterns of meaning found within qualitative data. This tool is adaptable and can be used in different theoretical frameworks and research paradigms. This chapter offers a comprehensive overview of TA, its position concerning other qualitative methods, and its alignment with scientific and conceptual perspectives. It provides detailed guidance on how to effectively conduct thematic analysis with purpose and precision. This chapter explores an overview of TA, including its definition, a comprehensive six-phase guide for conducting TA, common mistakes to be aware of, criteria for evaluating the quality of TA, and an examination of its advantages and disadvantages. The authors highly endorse TA as a valuable and versatile approach to qualitative research.