Psychiatric mental health nurse practitioners care for patients with mental health issues across ages in different settings. They can offer mental health services in both private and public hospitals and rehabilitation centers for mentally ill patients or educate nursing students and clinicians while actively participating in improving psychiatric healthcare at advanced levels. Some of the great nursing capstone ideas for DNP psychiatric mental health nurse practitioners include: 5. The effects of cultural perceptions of mental conditions on mental health care access. 6. Implementing a mental health risk assessment tool for healthcare workers in psychiatric units. 7. Effectiveness of adolescents' mental health scales in assessing their quality of life. 8. An effective toolkit for the implementation of a new mental health guide to improving the quality of life among youths. Mental health issues can affect different groups among populations such as the elderly, adolescents, youth, children below 13 years, and postpartum mothers. Student nurses should, therefore, choose an ideal nursing capstone project idea for the specific population of individuals to whom they are offering mental health services. We provide an opportunity for scholars to purchase topics for a DNP capstone project whenever the need arises.