Movember is an annual event involving the growing of moustaches during the month of November to raise awareness of men's health issues, such as prostate cancer, testicular cancer, and men's suicide It is a portmanteau of the Australian-English diminutive word for moustache, "mo", and "November" The Movember Foundation runs the Movember charity event, housed at Movember.com. The goal of Movember is to "change the face of men's health.

By encouraging men (whom the charity refers to as "Mo Bros") to get involved, Movember aims to increase early cancer detection, diagnosis and effective treatments, and ultimately reduce the number of preventable deaths. Besides annual check-ups, the Movember Foundation encourages men to be aware of family history of cancer and to adopt a healthier lifestyle Using the moustache as the driving symbol of the movement, Movember focuses on the three key areas of prostate cancer, testicular cancer, and mental health and suicide prevention.