Omnisexual Awareness Day is an annual observance celebrated on March 21. The day was created to recognize and celebrate people who identify as omnisexual.

The day is a chance to recognize the omnisexual community and to raise awareness about their experiences. People can show their support for omnisexuality by attending events, participating in online conversations, and sharing resources about the identity. It is also an opportunity to learn more about the unique experiences of omnisexual individuals.