In recent years, consideration has increased for patients’ wish to participate in high-impact activities after knee surgery, including knee osteotomy. The chapter discusses the current evidence on returning to sports after HTO. An overview of the rate and expected time to return for sports participation after surgery, as well as the factors that may affect the success of returning to sports, is the goal of this chapter. Specific considerations for different types of HTO techniques are also discussed. Overall, the goal of this chapter is to provide healthcare professionals and patients with a comprehensive understanding of the factors that should be taken into consideration when deciding to return to sports after HTO, as well as the strategies to maximize the success and safety of this process.