Kalis Mardiasih (born in Blora, 16th February 1992) is a young female moslem writer and activist who campaigns for Indonesian diversity and gender equality in Islamic discourse. She writes a weekly column for several digital media, including detik.com, the biggest online digital media in Indonesia. Her article titled Don’t Let Women Left Behind nominated for Anugerah Swara Saraswati Award from Indonesian Women’s Coalition for Justice and Democracy on 2018 categorized in best online media journalism essay. She is based in Yogyakarta, Central Java.

She has published four books sold more than 20 thousands copies nation-wide titled: Berislam Seperti kanak-kanak (Being a Muslim as If You Were a Child), Muslimah yang Diperdebatkan (the Contested Muslimah), Hijrah Jangan Jauh-Jauh Nanti Nyasar (Never Hijrah Too Far: You Might Get Lost!), and Sisterfillah, You’ll Never Be Alone!.

Kalis run her own independent classes @kelas.kalis that has travelled to cities in Indonesia and focus on Islamic digital media literacy and the gendered impacts of religious attitudes on women. With National Networks of Gusdurian, she maps out and analyses the challenges, facilitates trainings, as well as produces the content for Indonesia Rumah Bersama in response to the increase of hate speech in digital media.

Kalis speaks to everyday issues that are relevant to young people in language that they understand, and she is also known as one of the few Muslim women with the courage to speak out against religious orthodoxy when it does not respect the rights of women and girls. She is a proud moslem feminist.