Ortwin Passon (born in 1962 in Frankfurt-Höchst, West Germany) is a German gay, HIV/AIDS and human rights activist.
Passon was born in a working-class family and was the only son, out of three, to obtain qualifications that allowed him to apply for university.
He travelled several times to former German colonies in the West Pacific, to complete essays for the respected historian Karl-Heinz Grundmann.
Several of Passons papers regarding sexual science and cultures have been published in specialist magazines and in national press, and are considered to be influential.
He published several papers in sexual political magazines, including Gigi – Zeitschrift für sexuelle Emanzipation and junge Welt.