A mask kink, also known as mask fetishism, refers to a sexual attraction or desire directed at people who wear face masks. Those who have a mask kink often prefer having sex while their partners are wearing a mask, and feel more sexually aroused when they observe someone wearing or removing a mask. Mask fetishists pertain to individuals who have this kind of kink and preference. The roots of mask kink are traced from the early traditions and practices of masquerades, which had their origins in medieval times. The combination of sexuality and anonymity appeals to many people, and masks provide a sense of anonymity so one can exit their comfort zone easier.

Common types of masks used in mask kink include Halloween masks, surgical masks, ski masks, ninja masks, gas masks, latex masks, and masquerade masks. The wearing of masks is also frequently connected to notions of kink and fetish, as it is all about the confining nature of being encased in something inherently restricting that often deprives one use of their senses.

It is important to note that mask kink is a consensual and legal sexual preference. However, it is also important to respect the boundaries and preferences of ones sexual partner, as not everyone may be comfortable with this kink.