The number of older adults with cancer presenting to the emergency departments for evaluation and treatment is increasing. There is an essential need to identify and better understand the effects of cancer and treatment on health outcomes for older adults with cancer. Cancer-related emergencies can manifest as geriatric syndromes in this population. Falls, delirium, and acute pain are highly prevalent, multifactorial, and associated with substantial morbidity and poor outcomes. In the present article, we review existing evidence regarding common geriatric emergencies in older adults with cancer, as well as the importance of a special approach and management in this population.