Anastasia Melnichenko or usually Nastya Melnichenko (Ukrainian: ????? ???????????; born 1984) is a Ukrainian activist and author who writes on social, historical, and cultural issues.
She is a co-founder of STUDENA, a non-profit human rights organization.
She is also known as the initiator of the #IAmNotAfraidToSayIt social media campaign in Ukraine and Russia in 2016, a precursor to the MeToo movement.