ADHD is common among the general population and may be slightly more common among athletes. Diagnosis requires six or more DSM-5-TR symptoms to have been present prior to age 12 and to have an effect on functioning in multiple settings. Different sporting organizations have varying requirements for documentation when making a diagnosis. Stimulant medications are the mainstay of treatment; psychosocial interventions, exercise, and non-stimulant medications can serve as adjuncts. Future directions in research on ADHD in sports include determining whether ADHD is overrepresented among the population of elite athletes and parsing out the relationship between ADHD and concussion risk and recovery.